Chapter 2 - Section 2.1 - Introduction to Functions - Exercise Set - Page 112: 22

$a.\quad 8$ $b.\quad 16$ $c.\quad 0$

$a.$ the number in the column $f(x)$ that corresponds to $x=-3$ is $8$ $f(-3)=8$ $b.$ the number in the column $f(x)$ that corresponds to $x=3$ is $16$ $f(3)=16$ $c.$ The number in the column $x$ that corresponds to $f(x)=12$ is $0$ $f(0)=12$