Answer
$-\displaystyle \frac{9}{2}$
Work Step by Step
$(g/h)(-1)=\displaystyle \frac{g(-1)}{h(-1)}$
$g(-1)=3(-1)-6=-9$
$h(-1)=(-1)^{2}+1=2$
$(g/h)(-1)=-\displaystyle \frac{9}{2}$
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