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The Math Club is selling shirts as a fund-raiser. The company charges a set-up fee plus a certain cost for each shirt. The function rule C = 9n + 45 represents the Math Club's cost, with C representing the total cost of the order, and n representing the number of shirts. What could the numbers in the function represent? Select all that apply.
Responses
45 is the minimum number of shirts
45 is the minimum number of shirts

9 is the price per shirt.
9 is the price per shirt.

9 is the initial set-up fee charged to design the shirts.
9 is the initial set-up fee charged to design the shirts.

45 is the price per shirt.
45 is the price per shirt.

45 is the initial set-up fee charged to design the shirts.
45 is the initial set-up fee charged to design the shirts.