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Example 6
A rectangular solid has sides x, y, and z. Find the rate of change of the volume V = xyz if x = 1, y = 2, z = 3 (in feet),
We have so Thus the volume is decreasing at -5 cubic feet per second (Figure 11.5.6).
Figure 11.5.6
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(in feet per second).
Last Update: 2006-11-15