A soccer team is buying T-shirts to sell as a fundraiser. The team pays a flat fee of $35 for a logo

A soccer team is buying T-shirts to sell as a fundraiser. The team pays a flat fee of $35 for a logo design plus $7.00 per T-shirt.

Set up the cost function C(t) where t is the number of t-shirts:
C(t) = Cost per t-shirt * number of t-shirts + Flat Fee
C(t) = 7t + 35