Sunday
September 21, 2014

Homework Help: math

Posted by Marie P. on Monday, August 4, 2014 at 9:11pm.

A tire company determines that to manufacture a certain type of tire, it costs $9000 to set up the production process. Each tire that is produced costs $21 in material and labor. The company sells this tire to wholesale distributors for $49 each.

(a) Find a linear function C that models the total cost

C(x)
of producing x tires.

C(x) =

I got 9000+21x

(b) Find a linear function R that models the revenue


Not sure

R(x)
from selling x tires.

R(x) =

Also not sure

(c) Find a linear function P that models the profit P(x) from selling x tires. [Note: profit = revenue − cost.]

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