2. SCHOOL SPIRIT As president of Student Council, Brandy is getting T-shirts made for a pep rally. Each T-shirt costs $9.50, and there is a set-up fee of $75. The student council plans to sell the shirts, but each of the 15 council members will get one for free. a. Write a function for the average cost of a T-shirt to be sold. Graph the function. b. What is the average cost if 200 shirts are ordered? if 500 shirts are ordered? c. How many T-shirts must be ordered to bring the average cost under $9.75?

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12. SCHOOL SPIRIT As president of Student Council, Brandy is getting T-shirts made for a
pep rally. Each T-shirt costs $9.50, and there is a set-up fee of $75. The student council
plans to sell the shirts, but each of the 15 council members will get one for free.
a. Write a function for the average cost of a T-shirt to be sold. Graph the function.
b. What is the average cost if 200 shirts are ordered? if 500 shirts are ordered?
c. How many T-shirts must be ordered to bring the average cost under $9.75?
Transcribed Image Text:12. SCHOOL SPIRIT As president of Student Council, Brandy is getting T-shirts made for a pep rally. Each T-shirt costs $9.50, and there is a set-up fee of $75. The student council plans to sell the shirts, but each of the 15 council members will get one for free. a. Write a function for the average cost of a T-shirt to be sold. Graph the function. b. What is the average cost if 200 shirts are ordered? if 500 shirts are ordered? c. How many T-shirts must be ordered to bring the average cost under $9.75?
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