Question

Amy's yearly salary is given by the equation y = 25,000 + 700x, where x is the number of years since 2007 and y is her salary in dollars. What has been her yearly raise since 2007?

Answer 1

Her yearly raise is 700. Each year her salary increases by 700. After the first year, her salary went up to 25700, the next year, 26400, the next year, 27100, the next year, 27800, and so forth.