Practice Page
Directions: Read carefully.

1.
Given f (x) = {(2,3), (1,-8), (5,3), (9,0)}
a) Which list represents the inverse of f (x)?
Choose:
f -1(x) = {(1,-8), (2,3), (5,3), (9,0)}
f -1(x) = {(3,2), (-8,1), (3,5), (0,9)}
f -1(x) = {(3,2), (1,-8), (3,5), (9,0)}
f -1(x) = {(2,6), (1,-8), (5,15), (9,0)}

b)
Is the inverse a function?
Choose:
Yes
No
dog2

 

 

2.
Given the following function:
x
1
-3
4
0
-2
5
2
-1
f (x)
6
3
-2
4
-1
5
7
0
a) What is the inverse of f (x)?
Choose:
f -1(x) = {(1,6),(-3,3),(4,-2),(0,4),(-2,-1),(5,5),(2,7),(-1,0)}
f -1(x) = {(6,1),(-3,3),(-2,4),(4,0),(-2,-1),(5,5),(7,2),(-1,0)}
f -1(x) = {(6,1),(3,-3),(-2,4),(4,0),(-1,-2),(5,5),(7,2),(0,-1)}
f -1(x) = {(1,5),(-3,6),(4,-6),(0,4),(-2,1),(5,0),(2,5),(-1,1)}

b)
Is the inverse a function?
Choose:
Yes
No

 

 

3.
What is the inverse of f (x) = 3x + 1?

Choose:
inmd
inmc
inmb inm
dig4

 

 

4.
Which function will not pass the Horizontal Line Test, which tells us that its inverse is not a function?

Choose:
g (x) = 4x + 5
h (x) = x2 + 3
f (x) = 2x s (x) = (x + 3) / 2
dog5

 

 

5.
The inverse of the graph shown at the right will also be a function.

Choose:
True
False
inprac2

 

 

6.
As seen in the graph at the right, function f (x) is a reflection of function h (x).

Is function f (x) the inverse of function g (x)?
invPrac3

Choose:
Yes
No

 

 

7.
a) Find the inverse of f (x) = x2 + 4.
Choose:
inprac2a
inprac2b
inprac2c
inprac2d

b)
Is the inverse a function?
Choose:
Yes
No
dog1

 

 

8.
The function g (x) = (x + 2)2 for x > -2
will have an inverse function.

Choose:
True
False
dog3

 

 

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