I think the answer is B, if not not mistaken.
Answer:
9
Step-by-step explanation:
mathwa y use your pic and do it
Given that

attains a maximum at

, it follows that

at that same point. So integrating once gives



and so the first derivative is

.
Integrating again, you get


You know that this curve passes through the point (2, -1), which means when

, you have

:


and so
The formula for the volume<span> of a </span>cylinder<span> is V = B h or V = π r 2 h. so pi (3.141590 times the radius SQUARED times the height.
a.) 3.14159 times 2.25 times 8 equals </span><span>56.5486677646
b.)18
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The total cost, including the deposit, would be $2,750. $500*5=$2,500 $2,500+$250=$2,750