Answer:
a = 9
b = 2
Step-by-step explanation:
Given : a = 9
a = b + 7
9 = b + 7
b = 9 - 7 = 2
The polynomial's maximum value is relative.
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Is the maximum relative or absolute?</h3>
Here we have the polynomial:

Notice that the leading coefficient is negative, so, as x tends to negative infinite, V(x) will tend to positive infinite.
So we only have a relative maximum, because is local maximum (at x = 6.4), but the function can take larger values than that.
You can also check that on the graph of V(x), which you can see below:
If you want to learn more about maximums:
brainly.com/question/1938915
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Im so sorry the picture isnt loading for me -,-
Answer
Step-by-step explanation:
A=2πrh+2πr2=2·π·3·6+2·π·32≈169.646