Determine the given function has any points of discontinuity. explain your reasoning.

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step-by-step explanation:

so, converting firstly the mixed fractions to improper fractions and then "adding".

the answer to your question is c.)   volcanoes built the mountains and earthquakes tore them down.

step-by-step explanation:

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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