What’s the domain and range of this graph look at the arrow.

This is a acute angle in the digits 1,4,6 should help the answer is acute

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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!