Question 1 of 10 Which of the following best describes the graph below? A. It is a one-to-one function
B. It is a function but it is not one-to-one. C. It is a many to one function
D. It is not a function

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.

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