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Unit 2 Review

Total questions: 55

Worksheet time: 1hrs 23mins

Name
Class
Date
1.
What is the DOMAIN of this function?
a)
-∞≤y≤∞
b)
-∞≤x≤∞
c)
∞<x<∞
d)
-∞<x<∞
2.
What is the RANGE of this graph?
a)
-7<x<5
b)
-7≤x<5
c)
-3<y<1
d)
-3≤y<1
3.
What is the Domain of this linear function?
a)
-3 < x ≤ 5
b)
x = -1
c)
5 < x ≤ -3
d)
-2 < x ≤ 6
4.
What is the Range of this linear function?
a)
-1 < y ≤ 1
b)
y = -1
c)
5 < y ≤ -3
d)
y=1
5.
What is the Domain of this linear function?
a)
-6 ≤ x ≤ 6
b)
0 ≤ x ≤ 7
c)
2 ≤ x ≤ 7
d)
No Solution
6.
What is the Range of this linear function?
a)
-6 ≤ y ≤ 6
b)
0 ≤ y ≤ 6
c)
No Solution
d)
4 ≤ y ≤ 3
7.
a)
A
b)
B
c)
C
d)
D
8.
a)
F
b)
G
c)
H
d)
I
9.
a)
F
b)
G
c)
H
d)
I
10.
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}
b)
D:{0, 1, 2, -4}
R:{1, -3, -4}
c)
D:{0, 1, 2, 3, 4}
R:{1, -3, -4}
11.
What is the range of the following graph?
a)
-5, -1,  0 , 1, 5
b)
-4, -2, 0, 3, 6
c)
(-4, 1)  ( 6, 0)
d)
(6, 0)
12.
a)
{-2, 3, 7}
b)
[-2, 3]
c)
{1, 2, 2, 3, 4}
d)
[1, 4]
13.
a)
{1, 2, 3, 4, 5}
b)
{-1, 1, 2, 3}
c)
{1, 2, 3, 5}
d)
[1, 5]
14.
a)
F
b)
G
c)
H
d)
J
15.
a)
A
b)
B
c)
C
d)
D
16.
Which set of values is a function?
a)
(9,5) (10,5) (9,-5) (10,-5)
b)
(3,4) (4,-3) (7,4) (3, 8)
c)
(6,-5) (7, -3) (8, -1) (9, 1)
d)
(2, -2) (5, 9) (5, -7) (1, 4)
17.
a)
Function
b)
Not a Function
18.
a)
Function
b)
Not a Function
19.
a)
Function
b)
Not a Function
20.
What is the linear parent function?
a)
f(x) = x 
b)
y = mx + b 
c)
f(x) = 2x 
d)
f(x)  = y 
21.
How did the equation shift from the parent function? y=x+2
a)
Shift up 2
b)
Shift down 2
c)
steeper
d)
flipped
22.

How did the equation shift from the parent function? y=1/2x

a)

stretch

b)

shift up 1/2 units

c)

Compression

d)

reflect 1/2 units

23.
If the graph of the parent function f(x) = x is shifted 7 units
down, which of the following equations would the new graphed
line represent?
a)
f(x) = 7x
b)
f(x) = x - 7
c)
f(x) = x + 7
d)
f(x) = 7x - 7
24.
Given f(x) = 2x +3.  Translate the function down 2 and write the new rule.
a)
g(x) = 2x +1
b)
g(x) = 2x + 5
c)
g(x)= x + 3
d)
g(x) = 2x +3
25.

How did the equation shift from the parent function? y=-3x+5

a)

reflected, stretched, up 5 units

b)

compressed, up 5 units

c)

compressed, left 5 units

d)

reflected, stretched, left 5 units

26.

How did the equation shift from the parent function? y=3x-2

a)

compressed and shift down 2 units

b)

Stretched and Shift up 2 units

c)

compressed and Shift right 2 units

d)

stretch and shift down 2 units

27.

How did the equation shift from the parent function? y=-2x

a)

Up 2 units and reflected

b)

Compressed

c)

reflected and stretched

d)

down 2 units

28.

How did the equation shift from the parent function? y=-1/5x

a)

stretched

b)

Down 1.5 units

c)

right 1.5 units

d)

compressed and reflected

29.

How did the equation shift from the parent function? y=3/2x+11

a)

stretched and up 11 units

b)

compressed and up 11 units

c)

stretched and down 11 units

d)

compressed and down 11 units

30.
For the function f(x) = -3x + 3 find f(0).
a)
0
b)
-3
c)
3
d)
-1
31.
Is this mapping a function or not a function? 
a)
Function
b)
Not a Function 
32.
Is this table a function or not a function? 
a)
Function
b)
Not a Function
33.

Given f(x) = -4x - 10 and f(10)

a)

y = -5

b)

y = 5

c)

y = -50

d)

y = 30

34.
If h(a) = 3 - 2a

Find h(-3).
a)
12
b)
-2
c)
-3
d)
9
35.
Given h(x) = -9x +5, find h(8). 
a)
h(8) = -360
b)
h(8) = -67
36.
If f(x) = -4x - 5 and
g(x) = 3 - x,
what is g(-4) + f(1)?
a)
7
b)
-2
c)
-9
d)
-10
37.
If h(x) = -5x + 7,
Evaluate 6h(2).
a)
-2
b)
3
c)
-18
d)
-3
38.
If g(x) = 9x, what is -1g(2)?
a)
18
b)
-18
c)
17
d)
-9
39.
Which graph shows a proportional relationship between x and y?
a)
A
b)
B
c)
C
d)
D
40.
 y varies directly with x.
 y is 84 when x is 16. What is the constant of proportionality?
a)
y = (21/4)x
b)
k = 21
c)
k = 5.25
d)
k = 4/21
41.
Write an equation for this relationship.
a)
y = 4x
b)
y = 1/8x
c)
y = 1/4x
d)
y = 8x
42.
In a direct variation, y = 39 when x = 3. 
Find the value of y when x = 2.
a)
26
b)
3
c)
58.5
d)
2
43.
The amount of money earned on a job is directly proportional to the number of hours worked.  If $70.00 is earned in 5 hours, how much money is earned in 22 hours of work?
a)
$2
b)
$308
c)
$1.57
d)
$265
44.
Is this a direct variation?
y = 2x
a)
yes
b)
no
45.
What is the constant of proportionality?
a)
8
b)
16
c)
24
d)
2
46.
Trina's paycheck earnings varies directly as the number of hours she works. If she works 19 hours and earns $187.15, what should she earn if she worked 40 hours? 
a)
$394
b)
$440
c)
$472.80
d)
$512.20
47.
y varies directly with x. When y is 16, x is 32. Which equation represents this situation?
a)
y = 32x
b)
y = 16x
c)
y = 2x
d)
y = (1/2)x
48.
What are the x- and y -intercepts on this graph?
a)
(0,5), (0,5)
b)
(5,0), (5,0)
c)
(5,0), (0,5)
d)
(0,0), (5,0)
49.

What is the y-intercept in the equation x + 2y = 4

a)

0

b)

2

c)

4

d)

-2

50.
What is the x and y intercept for the following equation ?
4x - 10y = 20
a)
x - int = 4    
y-int = -10
b)
x-int = 5
y-int = 2
c)
x - int = 5
y int = -2
d)
x -int = 4
y -int = -10
51.
What is the y intercept?
y = 2x - 3
a)
3
b)
-3
c)
1
d)
2
52.
What is the y-intercept for the given graph?
a)
-5
b)
5
c)
1
d)
-1
53.
What is the x- intercept of the line?
a)
x = 1
b)
x = 2
c)
x = -1
d)
x = -2
54.
Give the x-intercept
3x + 8y = 24
a)
(8, 0)
b)
(0, 8)
c)
(3, 0)
d)
(0, 3)
55.
From the equation y = 3x + 18,  what is the value of the x-intercept?
a)
-6
b)
6
c)
18
d)
3

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