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# Basic Average Value Theorem

APCALC-DLKNLF

If $\int _{ 1 }^{ 5 }{ f(x)dx=15 }$ find the average value of $f(x)$ on the interval $[1, 5]$.

A

$3$

B

$5$

C

$\cfrac{15}{4}$

D

$\cfrac{15}{2}$

E

$15$