A rectangular swimming pool that is 10ft wide bu 16ft long is surrounded bu a cement sidewalk of uniform width. If the area of t
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There are two cases:
1.
2.
So the minimum temperature is -6, and the maximum is 18.
If you're just starting calculus, perhaps you're asking about using the definition of the derivative to differentiate .
We have
Expand the numerator using the binomial theorem, then simplify and compute the limit.
In general, the derivative of a power function is
. (This is the aptly-named "power rule" for differentiation.)