How Do You Find The Intercepts of a Linear Function?

Problem 2 The percent p of high school seniors who ever used marijuana can be related to x, the number of year after 2000, by the equation 25p + 21x = 1215.

a. Find the x intercepts of the graph of this function.

b. Find and interpret the p intercept of the graph of this function.

c. Graph the function using the intercept.