## Algebra and Trigonometry 10th Edition

Domain: all the real numbers except $x=0$ and $x=\frac{1}{2}$ The zero: $x=5$
$f(x)=\frac{x-5}{2x^2-x}$ Domain: $2x^2-x\ne0$ $2x(x-\frac{1}{2})\ne0$ $x\ne0$ and $x\ne\frac{1}{2}$ The zeros: $f(x)=0$ $\frac{x-5}{2x^2-x}=0$ $x-5=0$ $x=5$