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kfull6027
10.12.2020 •
Mathematics
A cube has an edge of 2 feet. The edge is increasing at the rate of 3 feet per minute. Express the volume of the cube as a function of m, the number of minutes elapsed. Hint: Remember that the volume of a cube is the cube (third power) of the length of a side.
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Ответ:
36 ft³/min
Step-by-step explanation:
Given that:
Let assume that length of the cube = m
Then;
m = 2 feet &;
The volume (V) = m³
By differentiating with respect to t, we get
= 36 ft³/min
Ответ:
Step-by-step explanation:
lodi's steps are fine but he mixed up the justifications for his steps:
the 2nd step's justification should be Subtraction Property of Equity; and
the 3rd steps's justification should be Multiplication Property of Equity.