### Home > CCA > Chapter Ch11 > Lesson 11.2.2 > Problem11-54

11-54.

For the function $f(x)=7x−2$: Homework Help ✎

For additional help, see problems 11-20 and 11-29.

1. Find the inverse function.

Write down the steps for the function.
Reverse the order.
Write the new steps using algebra and inverse notation.

$\textit{f}^{-1}(\textit{x})= \frac{\textit{x}+2}{7}$

2. Show that your inverse function is correct. Choose an input number for the function and calculate the output. Use this output as the input for the inverse function. Is your final output the same as your original input?