Algebra Lesson 4.1: Introduction to Functions

Practice Exercises:

For the following functions, find $f(0)$, $f(-2)$, and $f(3)$

     1. $f(x) = x-2$
     2. $f(x) = 2(4-x)$
     3. $f(x) = 7x + 3(2x+1)$

Solutions video: