Question

The function for the cost of materials to make a muffin is f(x)=3/4x+3, where x is the number of muffins. The function for the selling price of those muffins is g(f)), where g(x)= 3x+4. Find the selling price of 20 muffins.

Answer 1

the first one is from walmart which is 5.99$ the other store sells it for 3.49 which one is better to buy