Use the net below to determine the surface area of the cylinder. (Use 3.14 for π.) 640.56 cm^2 339.12 cm^2 753.6 cm^2 512.56 cm^
2
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the answer is D
Let's say the numbers are "a" and "b"
thus
set the derivative to 0, and check the critical points, there's only one anyway
and do a first-derivative test, to see if it's a maximum
thus
set the derivative to 0, and check the critical points, there's only one anyway
and do a first-derivative test, to see if it's a maximum