The edge of a cube is increasing at a rate of 7 cm/s. Find the rate of – McqOptions

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1.	The edge of a cube is increasing at a rate of 7 cm/s. Find the rate of change of area of the cube when x=6 cm.
A.	578 cm<sup>2</sup>/s
B.	498 cm<sup>2</sup>/s
C.	504 cm<sup>2</sup>/s
D.	688 cm<sup>2</sup>/s
Answer» D. 688 cm<sup>2</sup>/s

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