Letter D will be your answer. So, the answer is f(x)-4.

Use the formula above to find the surface area of a cylinder.
For the given cylinder the given data is the height (6mi) and diameter (16mi), use the diameter to find the radius:

Surface area:

Then, the surface area of the given cylinder is: 224π square miles
Answer:
X = 7
Step-by-step explanation:
Your answer should be 31
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