All edges of a cube are expanding at a rate of 3 centimeters per second.

(a) How fast is the volume changing when each edge is 4 centimeter(s)?

(b) How fast is the volume changing when each edge is 9 centimeters?

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- March 28th 2009, 05:38 AMtradarCalc word problem
All edges of a cube are expanding at a rate of 3 centimeters per second.

(a) How fast is the volume changing when each edge is 4 centimeter(s)?

(b) How fast is the volume changing when each edge is 9 centimeters? - March 28th 2009, 06:47 AMearboth