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Decreasing cube. Each of the three dimensions of a cube with sides of length s centimeters is decreased by a whole number of centimeters.

Decreasing cube. Each of the three dimensions of a
cube with sides of length s centimeters is decreased by a
whole number of centimeters. The new volume in cubic
centimeters is given by
V(s) =s^3 - 13s^2+ 54s -72.
a) Find V(10).
b) If the new width is s - 6  centimeters, then what are the
new length and height?
c) Find the volume when s =10 by multiplying the
length, width, and height.

This question was asked on May 05, 2010.

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