alleryStart learning →A cube's edge increases at 3 cm/s. How fast does its volume grow when the edge is 2 cm?
A12 cm^3/s
B24 cm^3/s
C18 cm^3/s
D36 cm^3/s
Answer & Solution
Correct answer: D. 36 cm^3/s
dV/dt = 3x^2 dx/dt = 3 x 4 x 3 = 36 cm^3/s.
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