### Home > PC3 > Chapter 2 > Lesson 2.1.1 > Problem2-11

2-11.

Write an equation for $f^{-1}(x)$ if $f(x)=\frac{5}{2}x-3$

Change $f(x)$ to $y$.

Switch all of the $x$'s to $y$'s and all of the $y$'s to $x$'s.

Solve for $y$.