Let y represent the total cost of publishing a book (in dollars). Let x represent the number of copies of the book printed.
Suppose that x and y are related by the equation.
Answer the questions below.
Note that a change can be an increase or a decrease. For an increase, use a positive number. For a decrease, use a negative number.
What is the change in the total cost for each book printed ?
What is the cost to get started ( before any books are printed ) ?