Mathematics

Delilah Tyler

18 December, 11:31

A company plans to sell purses for $20 each. The company's business manager estimates that the

cost, y, of making x purses is a quadratic function

with a y-intercept of 1,989 and a vertex of (500,4,489).

Which linear equation models the company's income from selling x purses?

A.) y=x+20

B.) 20x

C.) x/20

D.) 20/x