AP Calculus ABhardmcq1 pt
The volume of the solid formed by revolving y = √x from x = 0 to x = 4 about the x-axis is:
A.16π
B.32π
C.8π
D.4π
Explanation
Core Concept
Using the disk method: V = π∫₀⁴ (√x)² dx = π∫₀⁴ x dx = π[x²/2]₀⁴ = π(16/2) = 8π.
Correct Answer
C8π
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