At a book fair, Scott bought a $4 tote bag and some books for $2 each. If he writes a linear function relating the number of books that he
bought to the total amount that he spent, which will represent the rate of change in the equation?
So if you wanted to know how much he spent on books then you already Know the tote bag cost 4$ Then the books he bought cost 2$ each so that is why you need to know the total amount spent!
