Graph h(x)= 0.5(x+2)^2-4 by following these steps
step 1: identify a, h, and k
a=

the answer is:

the correct option is the option b.

to calculate the surface area of the right cylinder, we need to use the following formula:

from the picture we know that:

so, substituting and calculting we have:

hence, we have that the correct option is the option b.

have a nice day!

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