### Home > APCALC > Chapter 1 > Lesson 1.3.3 > Problem 1-129

1-129.

Let:

State the domain of

.Solve for all values for which the denominator is zero. This will make the function undefined. That is, solve

.Solve for

if.Substitute

in for . Explain why

does not have an inverse that is a function.Recall that to create the inverse, reflect the original function over the line

.