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WorksheetsMath 1 Review (FF, Exponential Functions, Sequences)
Total questions: 170
Worksheet time: 7hrs 49mins
Name
Class
Date
1.
Find the 25th term of the sequence if a1 = 5 and d = 0.5
a)
18
b)
17
c)
15
d)
14
2.
Find the 32nd term of this sequence.
9, 4, -1, -6, -11, ...
9, 4, -1, -6, -11, ...
a)
81
b)
-34
c)
-146
d)
-225
3.
Find the 32nd term of this sequence.
34, 37, 40, 43, ...
34, 37, 40, 43, ...
a)
32
b)
64
c)
127
d)
356
4.
Find a26 in the arithmetic sequence: -15, -35, -55, -75, ...
a)
-515
b)
-490
c)
-535
d)
460
5.
Is this an Arithmetic or Geometric sequence? x+3, x+6, x+9
a)
Geometric
b)
Arithmetic
6.
Find the 22nd term. 3, 7.5, 12, 16.5
a)
96.5
b)
95.5
c)
93.5
d)
97.5
7.
Select the explicit rule that represents the sequence.
a)
6 + 5(n - 1)
b)
4 + 6(n - 1)
c)
6 - 4(n - 1)
8.
Find the missing terms of the arithmetic sequence:
145, ___, ___, ___, 205
145, ___, ___, ___, 205
a)
160, 175, 190
b)
165, 185, 195
c)
155, 165, 175
d)
190, 175, 160
9.
Determine the common difference of this sequence
1, 3⁄4, 1⁄2, 1⁄4, 0, ....
1, 3⁄4, 1⁄2, 1⁄4, 0, ....
a)
d=-1
b)
d=-3⁄4
c)
d=-1⁄2
d)
d=-1⁄4
10.
Determine the common difference of the sequence,
1⁄3, 5⁄6, 4⁄3, 11⁄6, ...
1⁄3, 5⁄6, 4⁄3, 11⁄6, ...
a)
d=1⁄3
b)
d=1⁄2
c)
d=2⁄3
d)
d=3⁄4
11.
Find the first term of the given sequence:
a14=68
d=3
a14=68
d=3
a)
14
b)
20
c)
26
d)
29
12.
Write the recursive formula for 6, 17, 28, 39, 50....
a)
an=an-1+11
b)
an=an-1-4
c)
an=an-1+9
d)
an=an-1+6
13.
Write the recursive formula of 13, 9, 5...
a)
an=an-1-4
b)
an=an-1+3
c)
an=an-1-5
d)
an=an-1+4
14.
Find the next three terms: -4, -12, -36, -108, ...
a)
36, -108, 324
b)
-324, -972, -2916
c)
324, -972, 2916
d)
-108, 324, -972
15.
What is the common ratio for the sequence:
28, 14, 7, 3.5...
28, 14, 7, 3.5...
a)
2
b)
1/2
c)
-14
d)
-7
16.
Is the sequence geometric or arithmetic?
3, 6, 9, 12...
3, 6, 9, 12...
a)
Arithmetic
b)
Geometric
c)
Neither
17.
Find the next three terms: 4, 12, 36, 108, ...
a)
324, 972, 2916
b)
972, 2916, 8748
c)
405, 1215, 3645
18.
Find a9 in the sequence 4, 8, 16, 32, ...
a)
384
b)
512
c)
768
d)
1,024
19.
A savings account with $1500 earns 2% interest each year. Which function models this situation?
a)
f(t) = 1500⋅2t
b)
f(t) = 1500⋅.02t
c)
f(t) = 1500⋅1.02t
d)
f(t) = 1500⋅.2t
20.
Find the eighth term of a geometric sequence for which a3 = 224 and r = -½.
a)
-28
b)
-112
c)
56
d)
-7
21.
Find the first four terms of the sequence given the rule:
an = 4(5)n-1
an = 4(5)n-1
a)
20, 100, 500, 2500
b)
5, 20, 80, 320
c)
4, 20, 100, 500
d)
4, 9, 14, 19
22.
Given the rule: an = 7(½)n-1
Identify the common ratio.
Identify the common ratio.
a)
an
b)
7
c)
½
d)
n-1
23.
Given the geometric sequence with a common ratio of ⅓ and the fifth term is 54, find the first term.
a)
162
b)
486
c)
4374
d)
⅔
24.
A geometric sequence models what type of function?
a)
linear
b)
quadratic
c)
exponential
d)
absolute value
25.
Is the sequence 7, 9, 12, 16,... geometric?
a)
yes
b)
no
26.
Is the sequence -432, 72, -12, 2,...geometric?
a)
yes
b)
no
27.
Is the function
y = 5 * 4x
The same as the function
y = 20x
y = 5 * 4x
The same as the function
y = 20x
a)
No
b)
Yes
c)
Maybe
d)
Probably not
28.
This equation represents ____________.
a)
the geometric explicit formula
b)
an exponential function
c)
the recursive geometric formula
d)
a linear function
29.
Given the sequence:
125, 25, 5, ....
Write the explicit rule:
125, 25, 5, ....
Write the explicit rule:
a)
t(n) = (125)(5)n-1
b)
t(n) = 625(1/5)n
c)
t(n) = 625(5)n
d)
t(n) = 125 + 5n
30.
An arithmetic sequence models what type of function?
a)
linear
b)
quadratic
c)
exponential
d)
absolute value
31.
Find the missing term in the geometric sequence...
____, 6, 18, 54
____, 6, 18, 54
a)
3
b)
5
c)
2
d)
1
32.
When solving a geometric sequence, do you determine the common ratio?
a)
By multiplying the term by the previous term
b)
By adding the term to the previous term
c)
By dividing the term by the previous term
d)
By looking and making a guess
33.
What is the common ratio in the following sequence?
-48, 12, -3, ...
-48, 12, -3, ...
a)
-4
b)
4
c)
-1/4
d)
1/4
34.
Does the following function represent growth or decay?
y = 5(4/3)^x
y = 5(4/3)^x
a)
growth
b)
decay
35.
What is the range of the following function?
y = 2(3)^x + 7
y = 2(3)^x + 7
a)
y < 7
b)
y = 7
c)
y > 3
d)
y >7
36.
For basic exponential functions the domain will always be ____________
a)
All real numbers
b)
All positive integers
c)
All negative integers
d)
This cannot be determined
37.
Given the sequence:
125, 25, 5, ....
Write the explicit rule:
125, 25, 5, ....
Write the explicit rule:
a)
t(n) = (125)(5)(n)
b)
t(n) = 625(1/5)(n)
c)
t(n) = 625(5)(n)
d)
t(n) = 125 + 5n
38.
This image shows how a certain bacteria grows in a petri dish. What is the common ratio of this sequence?
a)
4
b)
3
c)
2
d)
6
39.
What kind of shift happens with this function?
a)
translate 4 points up
b)
translate 4 points to the left
c)
translate 4 points to the right
d)
translate 4 points down
40.
What kind of transformation occurred to f(x)=2^x?
a)
translate up 1 unit
b)
translate left 1 unit
c)
translate right 1 unit
d)
translate down 1 unit
41.
Does this function vertically stretch or shrink?
a)
stretch
b)
shrink
42.
What transformations occur to f(x)=5^x?
a)
translate right 3, up 2
b)
translate left 3, up 2
c)
translate left 3, down 2
d)
translate right 3, down 2
43.
Suppose you deposit $3000 in a savings account that pays interest at an annual rate of 4%. If no other money is added or withdrawn from the account, how much will be in the account after 10 years?
a)
$3122.18
b)
$4994.50
c)
$4440.73
d)
$86,776.40
44.
Daniel’s Print Shop purchased a new printer for $35,000. Each year it depreciates at a rate of 5%. How much will the printer be worth in 8 years?
a)
$23,219.72
b)
$136.72
c)
$51,710.94
d)
$16,710.94
45.
What type of function is f(x)=2(1/7)x ?
a)
Exponential Growth
b)
Linear
c)
Exponential Decay
d)
None of the Abovee
46.
What type of function is y = 7(5/4)x?
a)
Exponential Growth
b)
Exponential Decay
c)
Linear
d)
None of the above
47.
Is the pictured graph growth, decay, or linear or none?
a)
Growth
b)
Decay
c)
Linear
d)
None
48.
Which function represents the table of values?
a)
f(x) = 4x
b)
f(x) = x3
c)
f(x) = 4x
d)
f(x) = 4x-1
49.
What is a sequence?
a)
An order of the same numbers.
b)
A list of numbers in a specific order.
c)
A list of numbers always decreased.
d)
An order of numbers with no relation.
50.
Solve for x:
23x + 1 = 32
23x + 1 = 32
a)
0
b)
-1
c)
5/3
d)
4/3
51.
33x = 9x+8
a)
x = 16
b)
x = 8
c)
x =4
d)
x =2
52.
Solve 92x=27
a)
x=1.5
b)
x=.75
c)
x=3
d)
x=2
53.
Solve (1/3)2x+3= 9
a)
x = -0.5
b)
x = -2.5
c)
x = 2.5
d)
x = 2
54.
Solve (1/16)3x= 642(x+8)
a)
x = -4
b)
No Solution
c)
x = 4
d)
x = -3
55.
Solve (1/33 )-2x-2 = 81x+4
a)
x = -5
b)
x=-13
c)
x = 2
d)
x = 5
56.
Is the sequence 2, 4, 12, 48,... geometric?
a)
yes
b)
no
57.
For the function {(0,1), (1,-3), (2,-4), (-4,1)}, write the domain and range.
a)
D: {1, -3, -4,}
R: {0, 1, 2, -4}
R: {0, 1, 2, -4}
b)
D:{0, 1, 2, -4}
R:{1, -3, -4}
R:{1, -3, -4}
c)
D:{0, 1, 2, 3, 4}
R:{1, -3, -4}
R:{1, -3, -4}
58.
Is this function linear or nonlinear?
a)
Linear
b)
Nonlinear
59.
Determine the range.
a)
x ≤ 300
b)
x ≥ 300
c)
f(x) > 0
d)
f(x) ≥ 0
60.
Determine the range.
a)
f(x) > 400
b)
f(x) > 0
c)
x > 400
d)
ℝ - All Real Numbers
61.
Which function models the sequence
7, 42, 252, 1512, 9072
7, 42, 252, 1512, 9072
a)
f(n) = 7⋅6n-1
b)
f(n) = 7⋅6n
c)
f(n) = 6⋅7n-1
d)
f(n) = 6⋅7n
62.
Which function models the sequence
100, 25, 6.25, 3.125
100, 25, 6.25, 3.125
a)
f(n) = 100⋅.25n-1
b)
f(n) = 100⋅.25n
c)
f(n) = 100⋅.2n-1
d)
f(n) = 100⋅.2n
63.
A savings account with $2000 earns 1.25% interest each year. Which function models this situation?
a)
f(t) = 2000⋅1.25t
b)
f(t) = 2000⋅.0125t
c)
f(t) = 2000⋅1.0125t
d)
f(t) = 2000⋅1.125t
64.
A savings account with $1500 earns 2% interest each year. Which function models this situation?
a)
f(t) = 1500⋅2t
b)
f(t) = 1500⋅.02t
c)
f(t) = 1500⋅1.02t
d)
f(t) = 1500⋅.2t
65.
What is (-4)3
a)
-64
b)
-1/64
c)
1/64
d)
64
66.
What is (5)-3
a)
-125
b)
-1/125
c)
1/125
d)
125
67.
Which set of ordered pairs represents an Exponential Function?
a)
(0,8), (2,24), (4,40), (5,56)
b)
(0,3), (1,9), (2,81), (3,6561)
c)
(0,-1), (1,-4), (2,-9), (3,-16)
d)
(0,-2), (2,-8), (4,-32), (6,-128)
68.
A ball is dropped from a height of 18feet. The function f(x)=18(0.5)x gives the height in feet of each bounce, where x is the bounce number. What will be the height of the third bounce to the nearest tenth of a foot?
a)
4.5 ft
b)
2.3 ft
c)
1.1 ft
d)
0.6 ft
69.
The equation
y = 4(x)2
is an example of an exponential function
y = 4(x)2
is an example of an exponential function
a)
True
b)
False
c)
I have no idea
d)
what is an exponential function???
70.
Write the equation of the exponential function through the two points (2,6), and (3, 12).
a)
f(x) = 6(2)x
b)
f(x) = 2(6)x
c)
f(x) = 1.5(2)x
d)
f(x) = 2(3)x
71.
Describe the end behavior of the given graph as x → ∞, y → ?
a)
-∞
b)
0
c)
∞
72.
Describe the end behavior of the given graph as x → - ∞, y → ?
a)
-∞
b)
0
c)
∞
73.
Describe the end behavior of the given graph as x → ∞, y → ?
a)
-∞
b)
0
c)
∞
74.
Describe the end behavior of the given graph as x → - ∞, y → ?
a)
-∞
b)
0
c)
∞
75.
Describe the shift f(x) = 3x+1 from the parent function g(x) = 3x
a)
translate up 1 unit
b)
translate down 1 unit
c)
translate left 1 unit
d)
translate right 1 unit
76.
Describe the shift f(x) = 3x-4 from the parent function g(x) = 3x
a)
translate up 4 unit
b)
translate down 4 unit
c)
translate left 4 unit
d)
translate right 4 unit
77.
Describe the shift f(x) = 3x+ 2 from the parent function g(x) = 3x
a)
translate up 2 unit
b)
translate down 2 unit
c)
translate left 2 unit
d)
translate right 2 unit
78.
Describe the shift f(x) = 3x- 5 from the parent function g(x) = 3x
a)
translate up 5 unit
b)
translate down 5 unit
c)
translate left 5 unit
d)
translate right 5 unit
79.
Is this exponential growth or decay?
a)
Growth, because of 7
b)
Decay, because of 1.2
c)
Growth because of 1.2
d)
Decay because of 7
80.
A population of fish starts at 8,000 and decreases by 6% per year. What is the population of fish after 10 years?
a)
14327
b)
4309
c)
839
d)
7680
81.
A new savings account is opened with $400 and gains 3% every year. What is the exponential function?
a)
f(x)=400(1+3)x
b)
f(x)=400(1-0.03)x
c)
f(x)=400(1+0.03)x
d)
f(x)=400(0.03)x
82.
Write an equation that models the following situation:
Samantha's hair was known to grow very rapidly. It began at a length of 6 in and grew at a rate of 14% a week.
Samantha's hair was known to grow very rapidly. It began at a length of 6 in and grew at a rate of 14% a week.
a)
y=6(0.14)x
b)
y=6(1+14)x
c)
y=6(1.14)x
d)
y=6(0.86)x
83.
You have inherited land that was purchased for $30,000 in 1960. The value of the land increased by approximately 5% per year. What is the approximate value of the land in the year 2011?
a)
$344,022
b)
$31,500
c)
$15,000
d)
$28,500
84.
An adult takes 800 mg of ibuprofen. Each hour, the amount of ibuprofen in the person’s system decreases by about 29%. How much ibuprofen is left after 6 hours?
a)
101
b)
102
c)
103
d)
104
85.
Which of the following functions shows an initial amount of $15 and an increase of 35% each year?
a)
y = 15(35)x
b)
y = 15(1.35)x
c)
y = 15(0.35)x
d)
y = 35(1.15)x
86.
The number of mosquitoes at the beginning of the summer was 4,000. The population of mosquitoes is expected to grow at a rate of 25% a month. How many mosquitoes will there be after 4 months?
a)
9766
b)
9006
c)
9765
d)
5433
87.
Pick the equation that is exponential growth
a)
y=2(0.5)x
b)
y = 0.5(2)x
c)
y=x2
d)
y= 3x +4
88.
Which of the equations below represent this table?
a)
y=3⋅(36)x
b)
y=36⋅(3)x
c)
y=3⋅(⅓)x
d)
y=36⋅(⅓)x
89.
x y
0 32
1 16
2 8
3 4
0 32
1 16
2 8
3 4
a)
y = 32(1/2)x
b)
y = 32(2)x
c)
y = 4(2)x
d)
y = 4 (1/2)x
90.
You have inherited land that was purchased for $30,000 in 1960. The value of the land increased by approximately 5% per year. What is the approximate value of the land in the year 2011?
a)
$344,022
b)
$31,500
c)
$15,000
d)
$28,500
91.
What is the recursive rule for the geometric sequence: 2, 6, 18, 54,...
a)
f(1)= 2, f(n)=3*f(n-1)
b)
f(1)=3, f(n)=2*f(n-1)
c)
f(1)=0, f(n)=3*f(n)
92.
The population of a town is currently 9,000. The function P=9000(1.08)t can be used to estimate P, the population of the town t years from now. Which statement is true?
a)
Population is increasing at a constant rate
b)
Population is increasing at a constant ratio.
c)
Population is decreasing at a constant ratio.
d)
Population is decreasing at a constant rate.
93.
The NCAA basketball tournament starts with 64 teams. During each round, half of the teams are eliminated. What is the y-intercept for this function?
a)
(64, 0)
b)
(0, 0)
c)
(0, 64)
d)
Cannot be determined
94.
Simplify the exponential expression.
a)
2x6y12
b)
2x5y7
c)
8x6y12
d)
8x5y7
95.
Is this exponential growth or decay?
a)
Growth
b)
Decay
96.
What values of b make an exponential growth function?
a)
b > 0
b)
b <1
c)
b > 1
d)
0 < b < 1
97.
Which function represents the table of values?
a)
f(x) = 4x
b)
f(x) = x3
c)
f(x) = 4x
d)
f(x) = 4x-1
98.
The attendance at the art museum at the New Year’s opening was 250 people. The attendance has been increasing at a rate of 3% each month. How many people will attend by the end of a year?
a)
356
b)
265
c)
5825
d)
1329
99.
a)
f(x)=x2 + 2
b)
f(x) = (x-2)2 + 1
c)
f(x)= (x+2)2 - 1
d)
f(x)= (x+2)2 + 1
100.
a)
f(x)=3∣x−2∣−2
b)
f(x)=1/3∣x+2∣−2
c)
f(x)=3∣x+2∣−2
d)
f(x) = 1/3∣x−2∣+2
101.
a)
f(x) = −3(x+3)2
b)
f(x) = −3x2 + 3
c)
f(x) = −(3x−3)2
d)
f(x) = (−3x)2 − 3
102.
Which equation below is a quadratic function translated up 5 units?
a)
y = x2 + 5
b)
y = (x + 5)2
c)
y = 5x2
d)
y = -x2 - 5
103.
Which equation below is a quadratic function translated left 4 units?
a)
y = x2 + 4
b)
y = (x + 4)2
c)
y = (x - 4)2
d)
y = 4x2
104.
Tell how the graph transformed.
y = (x - 3)2
y = (x - 3)2
a)
Translated right 3
b)
Translated left 3
c)
Translated up 3
d)
Translated down 9
105.
Tell how the function transformed from y =x2
y = -2x2
y = -2x2
a)
Translated left 2 units
b)
Reflected over x-axis
c)
Stretched vertically and reflected over x-axis
d)
Compressed vertically and reflected over the x-axis
106.
What is the equation of this graph?
a)
f(x) = -(x + 1)2 + 3
b)
f(x) = -(x - 1)2 + 3
c)
f(x) = -(x + 1)2 - 3
d)
f(x) = -(x + 1)2 - 3
107.
If the blue is f(x)=x2, then the red must be
a)
g(x)=x2-5
b)
g(x)=x2+5
c)
g(x)=(x-5)2
d)
g(x)=(x+5)2
108.
The graph shows the function f(x)=x3 in blue and another function g(x) in red. Which could be the equation for g(x)?
a)
A. g(x) = -x3
b)
B. g(x) = x3 - 1
c)
C. g(x) = (x + 1)3
d)
D. g(x) = (x - 1)3
109.
The graph shows the function f(x)=x2 in blue and another function g(x) in red. Which could be the equation for g(x)?
a)
A. g(x) = 2x2
b)
B. g(x) = 1/2x2
c)
C. g(x) = x2 + 2
d)
D. g(x) = (x + 2)2
110.
The graph shows the function f(x)=x2 in blue and another function g(x) in red. Which could be the equation for g(x)?
a)
A. y = 1/2(x - 3)2
b)
B. y = 1/2(x + 3)2
c)
C. y = 2(x - 3)2
d)
D. y = 2(x + 3)2
111.
What is the interquartile range (IQR)?
a)
4
b)
64
c)
60
d)
8
112.
What is the median?
a)
62
b)
58
c)
66
d)
60
113.
Find the mean of these numbers:
2, 57, 38, 42, 6
2, 57, 38, 42, 6
a)
29
b)
38
c)
50
d)
145
114.
At Donald's Donuts the number of donut holes in a bag can vary. Help Donald find the mode.
12, 10, 10, 10, 13, 12, 11, 13, 10
12, 10, 10, 10, 13, 12, 11, 13, 10
a)
13
b)
12
c)
11
d)
10
115.
Roger bowled 7 games last weekend. His scores are: 155, 165, 138, 172, 127, 193, 142. What is the range of Roger's scores?
a)
193
b)
127
c)
60
d)
66
116.
What is the standard deviation for the data given:
{12, 13, 29, 18, 61, 35, 21}
{12, 13, 29, 18, 61, 35, 21}
a)
293.67
b)
15.87
c)
17.14
d)
41.98
117.
If a number is added to the set that is in the middle of the data, how does this affect the range?
a)
increase
b)
decrease
c)
stay the same
d)
both increase and decrease
118.
If a number is added to a set that is bigger than the mean. How does this affect the mean?
a)
increase
b)
decrease
c)
stay the same
119.
If a number is added to a set that is the same as the mean, how does this affect the mean?
a)
increase
b)
decrease
c)
stay the same
120.
If a number is added to a set that is smaller than the mean. How does this affect the mean?
a)
increase
b)
decrease
c)
stay the same
121.
Mrs. Algebra's class has an average grade of 87. Later on she realizes she left out Joe's score. His grade was a 65. The new mean will ,....
a)
increase
b)
decrease
c)
stay the same
122.
All of the below sets have the same mean.
Set 1-Standard Deviation=3.1
Set 2-Standard Deviation=4.9
Set 3-Standard Deviation=1.7
Set 4-Standard Deviation=3.2
Which set of data probably has the points closest to the mean?
Set 1-Standard Deviation=3.1
Set 2-Standard Deviation=4.9
Set 3-Standard Deviation=1.7
Set 4-Standard Deviation=3.2
Which set of data probably has the points closest to the mean?
a)
1
b)
2
c)
3
d)
4
123.
Which of the following is a measure of variability?
a)
mean
b)
median
c)
mode
d)
standard deviation
124.
If a number is added to a set that is far away from the mean, how does this affect standard deviation?
a)
increase
b)
decrease
c)
stay the same
d)
both increase and decrease
125.
If 10 is added to every value in a set of data, what will happen to the value of the standard deviation?
a)
it will increase
b)
it will decrease
c)
it will stay the same
d)
it will both increase and decrease
126.
Which of the following is a measure of variability?
a)
mean
b)
median
c)
mode
d)
standard deviation
127.
If 10 is added to every value in a set of data, what will happen to the value of the median?
a)
it will increase by 10
b)
it will decrease by 10
c)
it will stay the same
d)
it will both increase and decrease
128.
If 10 is added to every value in a set of data, what will happen to the value of the mean?
a)
it will increase by 10
b)
it will decrease by 10
c)
it will stay the same
d)
it will both increase and decrease
129.
What color car is the least popular at this car dealership?
a)
Red
b)
White
c)
Blue
d)
Green
130.
How many sophomores like burritos and pizza?
a)
6
b)
5
c)
11
d)
50
131.
How many women drive an SUV?
a)
180
b)
45
c)
156
d)
135
132.
How many minutes did the most number of people study?
a)
61-90
b)
0-30
c)
31-60
d)
91-120
133.
How many people were polled?
a)
33
b)
6
c)
35
d)
4
134.
How many more Freshman ate pizza than Juniors?
a)
5
b)
1
c)
10
d)
6
135.
What food did the Sophmores eat the least of?
a)
Burrito
b)
Pizza
136.
How many more blue cars are there than green SUVs?
a)
35
b)
45
c)
25
d)
30
137.
What color car is the least popular at this car dealership?
a)
Red
b)
White
c)
Blue
d)
Green
138.
According to the table, what is the relative frequency of students ages 10 - 13 who eat breakfast?
a)
About 33%
b)
About 50%
c)
About 40%
d)
About 44%
139.
What percentage of the days that it rained, did they forecast no rain?
a)
About 20%
b)
About 18%
c)
About 14%
d)
About 12%
140.
What is the relative frequency for selecting a teen given that the person likes chocolate?
a)
.112
b)
.267
c)
.164
d)
.056
141.
Which age group liked Action movies the least?
a)
18-25
b)
25-49
c)
50+
d)
238
142.
What percentage of SUV's are driven by women?
a)
56.25%
b)
75%
c)
83.25%
d)
86.5%
143.
How many people purchased no food and no drink?
a)
60
b)
10
c)
20
d)
200
144.
What percent of the total population surveyed were electrical engineers that like math?
a)
33.9%
b)
48.6%
c)
16.5%
d)
21.7%
145.
What percent of people who play an instrument do not play a team sport?
a)
80%
b)
27.2%
c)
40%
d)
90.1%
146.
What percent of people who bought no food purchased water?
a)
14.3%
b)
33.3%
c)
5%
d)
41.1%
147.
What is the relative frequency of people that purchased no food?
a)
10%
b)
60%
c)
15%
d)
30%
148.
The table shows the different types of engineers and the subject they liked most. What percentage of people surveyed were chemical engineers who preferred math?
a)
16.5%
b)
33.1%
c)
17.6%
d)
15.5%
149.
This function has a pattern of adding or subtracting the same number to get from a y-value to the next y-value as the x value increases by 1.
a)
Linear
b)
Exponential
c)
Neither
150.
Is the table linear, exponential or neither?
a)
Linear
b)
Exponential
c)
Neither
151.
What is the range of the graph?
a)
y≥1
b)
x≥1
c)
All real numbers
d)
none of these
152.
In an exponential function, what does the 'a' represent?
a)
SLOPE
b)
RATE OF CHANGE
c)
Y-INTERCEPT
d)
COMMON RATIO
153.
What transformations have happened to f(x) = 2x if the new equation is
g(x) = -2(x+3) -6
g(x) = -2(x+3) -6
a)
It stayed the same
b)
reflects, up 3, left 6
c)
reflects, right 3, down 6
d)
reflects, left 3, down 6
154.
Given f(x) = 4x and the translated function
g(x) = 4x +6, which translation would result in a change of the range?
g(x) = 4x +6, which translation would result in a change of the range?
a)
Reflection over the line x=0
b)
Vertical shift of 6 units up
c)
Neither
155.
Use the function, f(x) = (3/2)x.
What is the Domain?
What is the Domain?
a)
(3,2)
b)
(-∞,0)
c)
(-∞,∞)
d)
(0,∞)
156.
Use the function, f(x) = (3/2)x.
What is the Range?
What is the Range?
a)
(3,2)
b)
(-∞,0)
c)
(-∞,∞)
d)
(0,∞)
157.
What is the transformation?
a)
up 2 and right 1
b)
down 2 and left 1
c)
left 2 and Vertical up 1
d)
right 2 and down 1
158.
Solve: 7-x = 49
a)
x = 1
b)
x = -1
c)
x = 2
d)
x = -2
159.
Solve: 98-x = 27x-3
a)
x = 5
b)
x = -5
c)
x = 1/5
d)
x = -1/5
160.
Is the graph linear, exponential or neither?
a)
Linear
b)
Exponential
c)
Neither
161.
Which function is graphed?
a)
f(x) = 10(0.8)x
b)
f(x) = 10(1.5)x
c)
f(x) = 0.8(10)x
d)
f(x) = 12(0.8)x
162.
What is the equation that represents the exponential function in the image below?
a)
y=3(½)x
b)
y=3(2)x
c)
y=(2)x
d)
y=2(3)x
163.
Which function is graphed?
a)
f(x) = -4(2)x
b)
f(x) = 2(4)x
c)
f(x) = -4(1/2)x
d)
f(x) = -4(0.5)x
164.
a)
f(x) = -4(0.5)x
b)
f(x) = 4(0.5)x
c)
f(x) = -4(2)x
d)
f(x) = 0.5(4)x
165.
Which equation best describes the graph?
a)
y = 2x + 4
b)
y = 2x - 3
c)
y = 2x - 4
d)
y = 2x + 3
166.
Which equation best describes the graph?
a)
y = 2-x - 1
b)
y = -2x + 1
c)
y = -2x -1
d)
y = 2-x -1
167.
Write the equation of the graph.
a)
f(x) = -3x - 2
b)
f(x) = -3x + 2
c)
f(x) = 3x + 2
d)
f(x) = 3-x + 2
168.
Write the equation
a)
f(x) = 3x + 2
b)
f(x) = 3-x - 2
c)
f(x) = 3-x + 2
d)
f(x) = 3x - 2
169.
What is the range of this graph?
a)
y = 6
b)
(0, -4)
c)
y > -6
d)
y < -6
170.
What is the range of this graph?
a)
y = 6
b)
(0, -4)
c)
y > -6
d)
y < -6
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