Graph: f(x) = 22-1
Step 1: Find the value of x that makes the exponent zero
by solving this equation: x-1 = 0
![Graph fx 221 Step 1 Find the value of x that makes the exponent zero by solving this equation x1 0 class=](https://us-static.z-dn.net/files/da4/2dbada86bda0b41348875e53254e3f19.png)