### Home > CC4 > Chapter 1 > Lesson 1.2.3 > Problem 1-61

1-61.

Calculate *f*(4) for each function below. Homework Help ✎

Substitute 4 in for the variable *x*.

So *f*(4) = 4 − 3.

Substitute 4 in for the variable *x*.

Substitute 4 in for the variable *x*.