Operations with Functions

Name:

The revenue, , from selling x units of a product is represented by the equation

, while the total cost, , of making x units of the product is represented by the equation

. The total profit, , is represented by the equation

. For the values of and given above, what is ?

a)		c)
b)		d)

A company produces x units of a product per month, where

represents the total cost and

represents the total revenue for the month. The functions are modeled by

and

. The profit is the difference between revenue and cost where

. What is the total profit,

, for the month?

a)		c)
b)		d)

and

, then which statement is not true?

a)		c)
b)		d)