## Precalculus (6th Edition) Blitzer

$f(2) = -4$
RECALL: $f(a)$ represents the value of the function $f$ when $x=a$. To find the value of $f(2)$, look for the point on the graph where $x=2$. Notice that the graph contains the point $(2, -4)$. Thus, $f(2) = -4$.