**Problem : **
*f* (*x*) = 4*x* - 1
,
*g*(*x*) =
*x* + 1
,
*h*(*x*) = (*x* + 1)
, and
*j*(*x*) = 4*x* + 1
. Are each of the following pairs inverse functions?

a)
*f*
and
*g*

b)
*g*
and
*j*

c)
*f*
and
*j*

d)
*f*
and
*h*

b) No.

c) No.

d) Yes.

**Problem : **
What is the inverse of
*f* (*x*) = 5(*x* - 1)
?

**Problem : **
What is the inverse of
*f* (*x*) = 5*x*
^{2}
?

**Problem : **
If
*f* (*x*) =
, what is
*f*
^{-1}
?

**Problem : **
What is the range of the inverse of
*f* (*x*) =
?