 Inverse Practice Terms of Use    Contact Person: Donna Roberts  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 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:     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 5.
The inverse of the graph shown at the right will also be a function.

Choose:
 True False 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)? Choose:
 Yes No

7.
a) Find the inverse of f (x) = x2 + 4.
Choose:    b)
Is the inverse a function?
Choose:
 Yes No 8.
The function g (x) = (x + 2)2 for x > -2
will have an inverse function.

Choose:
 True False  NOTE: The re-posting of materials (in part or whole) from this site to the Internet is copyright violation and is not considered "fair use" for educators. Please read the "Terms of Use".