A linear function $f$ gives a company's profit, in dollars, for selli…

Question

Prompt

A linear function

f

gives a company's profit, in dollars, for selling

x

items. The company's profit is

170 w h e ni t se l l s 4 i t e m s, an d i t s p r o f i t i s

590 when it sells 10 items. Which equation defines

f

f (x) = 170 x - 590

f (x) = 59 x

f (x) = 70 x - 10 x

f (x) = 70 x - 110