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WorksheetsUnit 5 Review
Total questions: 42
Worksheet time: 4hrs 30mins
Name
Class
Date
1.
a)
A
b)
B
c)
C
d)
D
2.
a)
A
b)
B
c)
C
d)
D
3.
a)
A
b)
B
c)
C
d)
D
4.
a)
A
b)
B
c)
C
d)
D
5.
a)
A
b)
B
c)
C
d)
D
6.
a)
A
b)
B
c)
C
d)
D
7.
a)
A
b)
B
c)
C
d)
D
8.
a)
A
b)
B
c)
C
d)
D
9.
a)
A
b)
B
c)
C
d)
D
10.
a)
A
b)
B
c)
C
d)
D
11.
Is the pictured graph growth, decay, or linear or none?
a)
Exponential Growth
b)
Exponential Decay
c)
Linear
d)
None
12.
Is this exponential growth or decay?
a)
Growth
b)
Decay
13.
a)
A
b)
B
c)
C
d)
D
14.
a)
A
b)
B
c)
C
d)
D
15.
a)
A
b)
B
c)
C
d)
D
16.
a)
A
b)
B
c)
C
d)
D
17.
a)
A
b)
B
c)
C
d)
D
18.
a)
A
b)
B
c)
C
d)
D
19.
a)
A
b)
B
c)
C
d)
D
20.
log9(x)+log9(x+2)=log9(35)
a)
5
b)
-7
c)
5, -7
d)
-7, -13
21.
log(4x) - log(4) = log(12)
a)
12
b)
4
c)
10
d)
100
22.
Solve log(x) + log(x+3) = 1
a)
5
b)
-2
c)
-5
d)
2
23.
log2(x+3)=4
a)
16
b)
13
c)
3
d)
10
24.
Write logb(xy) as two logs
a)
logbx+logby
b)
logbx-logby
c)
logbx*logby
d)
logbx/logby
25.
Write logb(x/y) as two logs
a)
logbx-logby
b)
logbx+logby
c)
logbx*logby
d)
logbx/logby
26.
Rewrite logb(xn)
a)
nlogbx
b)
(logbx)n
c)
xnlogbx
d)
logb(xn)
27.
Condense
a)
A
b)
B
c)
C
d)
D
28.
Logarithmic functions are the inverse of...
a)
Linear Functions
b)
Exponential Functions
c)
Quadratic Functions
d)
Polynomial Functions
29.
Write in logarithmic form:
72 = 49
72 = 49
a)
log 7 49 = 2
b)
log 2 49 = 7
c)
log 7 2 = 49
d)
log 2 7 = 49
30.
Write in exponential form:
log 5 5 = 1
log 5 5 = 1
a)
51 = 5
b)
15 = 5
c)
55 = 1
d)
51 = 25
31.
What is the domain and range of the function y=2x ?
Use the graph to help!
Use the graph to help!
a)
Domain: All Real Numbers
Range: y>0
Range: y>0
b)
Domain: All Real Numbers
Range: y>1
Range: y>1
c)
Domain: −2<x<∞
Range: y>0
Range: y>0
d)
Domain: −∞<x<∞
Range: y>0
Range: y>0
32.
Classify
f(x)=4/5(.8)x-9
f(x)=4/5(.8)x-9
a)
Exponential Growth
b)
Exponential Decay
33.
Classify the model as Exponential GROWTH or DECAY.
A=10(1.01)3
A=10(1.01)3
a)
Growth
b)
Decay
34.
Using the parent function y=3x what would the graph of y=3x+1 look like?
a)
Horizontal shift left one unit
b)
Horizontal shift right one unit
c)
Vertical shift up one unit
d)
Vertical shift down one unit
35.
Using the parent function y=3x what would the graph of y=3x+1 look like?
a)
Horizontal Shift to the right 1 unit
b)
Horizontal shift to the left one unit
c)
Vertical shift one unit up
d)
Vertical shift one unit down
36.
a)
A
b)
B
c)
C
d)
D
37.
a)
A
b)
B
c)
C
d)
D
38.
James' 70 in. giant peach doubles in size every week. Write an expression that would represent how big the peach is after 5 weeks.
a)
70(2)35
b)
70(2)5
c)
2(70)5
d)
5(70)2
39.
If you have $10, and your money doubles every year, how much money will you have in 10 years?
a)
$50
b)
$100
c)
$5120
d)
$10240
40.
Twenty years ago, Mr. Davis purchased his home for $160,000. Since then, the value of the home has increased about 5% per year. How much is the home worth today?
a)
$176,783.29
b)
$424,527.63
c)
$57,357.75
d)
$532,041,076.80
41.
Suppose a culture of bacteria begins with 5000 cells and dies by 30% each year. Write an equation that represents this situation.
a)
y=5000(0.7)x
b)
y=30(5000)x
c)
y=5000(1.3)x
d)
y=5000xx
42.
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
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