6. A t-shirt shop determines that the profit function for selling each t-shirt at price p is given by the function

f(p) = -20p2 + 700p - 2800.

Determine the maximum
profit and the price charged to reach this maximum profit.

Identify the statement below as either descriptive or inferential statistics. upper a certain website sold an average of 117 books per day last week. is the statement an example of descriptive or inferential statistics? a. it is an example of descriptive statistics because it uses a sample to make a claim about a population. b. it is an example of inferential statistics because it uses a sample to make a claim about a population. c. it is an example of inferential statistics because it summarizes the information in a sample. d. it is an example of descriptive statistics because it summarizes the information in a sample.