### Home > CCA > Chapter Ch11 > Lesson 11.1.2 > Problem 11-20

11-20.

For each function, find the inverse function. Homework Help ✎

Write down the steps of the original function.

1. Multiply by 2.

2. Add 3.Write down the steps that will 'undo' the original function.

1. Subtract 3.

2. Divide by 2.Write the equation for the inverse function using what you wrote in Step 2.

Follow the steps in part (a) when writing down the steps of the original function, which comes first, dividing by 4 or subtracting 5?