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Evaluate $f(-3), f(0),$ and $f(2)$ for the piecewise defined function. Then sketch the graph of the function.

$$

f(x)=\left\{\begin{array}{ll}{3-\frac{1}{2} x} & {\text { if } x<2} \\ {2 x-5} & {\text { if } x \geq 2}\end{array}\right.

$$

$f(-3)=4.5$

$f(0)=3$

$f(2)=-1$

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