Volumes by Disk and Washer Methods

AP Calculus AB· difficulty 4/5

y = \sqrt{x}

A
$\frac{32\pi}{3}$
B
$8\pi$
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C
$4\pi$
D
$16\pi$

Explanation

V = \pi \int_0^4 x\,dx = \pi[x^2/2]_0^4 = 8\pi

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