5. You and a friend are each typing your research papers on computers. The function y = 1400 - 50. models the number y of words you have left to type after x minutes. For your friend, y = 1200 - 50x
models the number y of words left to type after x minutes.
(a) Graph the two equations in the same coordinate plane.
(b) What do the x-intercepts, y-intercepts, and slopes represent?