Question: A student has a monthly 8GB data plan for their phone. At the beginning of the last week of February, the student has used up

A student has a monthly 8GB data plan for their phone. At the beginning of the last week of February, the student has used up 6GB of data. Over the last week, the student uses data at a rate of r(t) GB/day, t days after the beginning of the week.

a. Write a expression for the total amount of data the student has used t days after the beginning of the week. Explain. What are the units of your answer?

b.The function is given in the graph. Estimate the total amount of data the student has used by the end of February. Explain your calculation and illustrate it on the graph.

c. If the student uses more than 8GB in a month, their download speed is throttled to be much slower. By the end of February, according to your answer to part (b.), has the student's download speed been throttled? Is this for certain? Explain

You may not be able to answer all parts because I cant figure out how to upload the graph. But if you can answer A that would be great.

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