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What is $\Delta x$ on the interval $-2 \leq x \leq 0\text{?}$
$\Delta x =$ .

Use the formula $f(x) = (x-2)(x+3)$ to calculate $\Delta f$ on the interval $-2 \leq x \leq 0\text{.}$
$f(0) =$
$f(-2) =$
$\Delta f =$

Use the two results above to calculate $\frac{\Delta f}{\Delta x}$ on the interval $-2 \leq x \leq 0\text{.}$
$\frac{\Delta f}{\Delta x} =$

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