The area of a square metal plate is increasing at 40 cm /s

MATHEMATICS · Subjective · AP · Calculus AB · Contextual Applications of Differentiation · Contextual Applications of Differentiation

Problem

The area of a square metal plate is increasing at 40 cm2^{2}/s. Determine the rate at which the side length is changing when the side length is 8 cm. State your answer with units.

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