## Algebra and Trigonometry 10th Edition

$f(x)=5+\sqrt {4-x}$ $f(-x)=5+\sqrt {4+x}$ $f(x)\ne f(-x)$ $-f(x)\ne f(-x)$ Notice that: $f(3)=5+\sqrt 1=6$ and $f(-3)=5+\sqrt 7$