- #1

calcdummy

- 11

- 0

## Homework Statement

The profit, P, of a video company, in thousands of dollars is given by P=-5x^2+550x-5000, where x is the amount spent on advertising in thousands of dollars.

a) Determine the amount spent on advertising that will result in a profit of $0.

## Homework Equations

P=-5x^2+550x-5000

## The Attempt at a Solution

P=-5x^2+550x-5000

0=-5x(x-110)-5000

-5x=0 or x-110=0

x=0 or x=110

Therefor when the amount of $110 thousand is spent there will be a profit of $0.

This answer kind of confuses me but on the graph it appears to be accurate. Could someone please review this and tell me if I am incorrect and what I could do to correct it? Thank you in advance.