Saturday

April 18, 2015

April 18, 2015

Posted by **jordan** on Tuesday, December 1, 2009 at 4:15pm.

a) when will Unlicky's buisness show the maximum of profit?

b)what is the maximum profit?

c)at what time will it be too late to sell his business?(when will he start losing money?)

- math -
**MathMate**, Tuesday, December 1, 2009 at 5:17pmGiven:

f(x)=-3x^2+18x-4

a)

Find f'(x) and equate to zero.

solve for x=xm.

Since the leading coefficient is -3, the extremum is a maximum.

b) maximum profit=f(xm)

c) He starts losing money when f(x)=0, AND f'(x)<0. There are two roots to f(x)=0, make sure the correct one is chosen.

**Answer this Question**

**Related Questions**

Math( help please ! ) - The profit p(x) of a cosmetics company , in thousands of...

Math( help please ! ) - The profit p(x) of a cosmetics company , in thousands of...

Math - The profit p(x) of a perfume company , in thousands of dollars,is given ...

math - a company makes and sells sailboats. The company's cost function in ...

precal - A cell phone company’s profit is modeled by the function p(x) = 10x &#...

math - The profit p(x) of a cosmetics company in thousands of dollars is given ...

Math - I have two problems (listed below): 1.The profit P (in hundreds of ...

math - 9. A company that manufactures a specialty line of high performance ...

math - A company that manufactures a specialty line of high performance racing ...

Trig - Dalco manufacturing estimate that its weakly profit, P, in hundreds of ...