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Average Rate of Change Expression

APCALC-UUXEQU

A curve has the equation $y=h(x)$. Choose an expression for the average rate of change on the interval $[7,x]$.

A

$\cfrac{h(x)-h(7)}{x-7}$

B

$\cfrac{h(7)-h(x)}{x-7}$

C

$\cfrac{h(7+x)-h(x)}{x}$

D

$\cfrac{x-7}{h(x)-h(7)}$