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A retail clothing store offers customers an opportunity to open up a credit card during check
that are opened t months since January can be modeled by the function A(t) = 15+ 3t. The r
25-t. What is an expression that can be used to determine the total amount of credit cards
O(A+B)(t) = 40 + 4t
O(A + B)(t) = 40 + 2t
O(A-B)(t) = -10 + 2t
O(A-B)(t) = -10 + 4t