Answer
$$-\frac{9}{2}$$
Work Step by Step
$$g(x)=2x-3$$
To find $g(-3/4)$, substitute $-3/4$ for $x$ and evaluate
$$g(-3/4)=2\bigg(-\frac{3}{4}\bigg)-3=-\frac{3}{2}-3=\frac{-3-6}{2}=-\frac{9}{2}$$
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