Question

You have returned some merchandise to a store and received a store credit of $23. In the same store, you are purchasing picture frames that cost $9 each. The function f(x) = 9x - 23 represents your total cost f(x) if you purchase x picture frames. How many dollars will you pay if you purchase 7 picture frames?

Answer 1

after store credit is taken out would be 40 but without store credit it would be 63