when is function increasing/decreasing

Printable View

March 29th 2009, 12:13 AM
IronMan21

when is function increasing/decreasing

Solve without calculator:

when is $f(x)=x^4-3x^3+2x^2-2$ increasing/decreasing?
March 29th 2009, 01:30 AM
running-gag

Quote:

Originally Posted by IronMan21

Solve without calculator:

when is $f(x)=x^4-3x^3+2x^2-2$ increasing/decreasing?

Hi

Do you know how to take the derivative ?

$f'(x)=4x^3-9x^2+4x=x(4x^2-9x+4)$

All times are GMT -8. The time now is 01:36 AM.

Copyright © 2005-2014 Math Help Forum. All rights reserved.

Copyright © 2005-2014 Math Help Forum. All rights reserved.