## Precalculus: Mathematics for Calculus, 7th Edition

Evaluate $f(x)$ $= 3x$ if $x2$ $f(-5)=-15$ $f(0)=1$ $f(1)=2$ $f(2)=3$ $f(5)=9$
For x = -5 $x 2$ therefore $f(5) = ((5)-2)^2$ ... subtract $=(3)^2$ ... square 3 $=9$ ________________