Answer:
Base area = 25.2 in^2
Step-by-step explanation:
Base area = 63/2.5 = 25.2 in^2

will be increasing on the intervals where

and decreasing wherever

. Local extrema occur when

and the sign of

changes to either side of that point.

is positive when

is between -4 and some number between -2 and -1, and also 2 (exclusive) and 4, so you can estimate that

is increasing on the intervals [-4, -2] and (2, 4].

is negative when

is between some number between -2 and -1, up to some number less than 2. So

is decreasing on the interval [-1, 1].
You then have two possible cases for extrema occurring. The sign of

changes for some

between -2 and -1, and again to either side of

.
Answer:
pi144
Step-by-step explanation:
square the radius but dont multiply by pi because the question wants you to leave it out.
Answer:
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