# increasing decreasing function with floor() investigate

• Dec 8th 2009, 10:45 AM
antisane
increasing decreasing function with floor() investigate
Find where f(x) is increasing and find where it is decreasing
** the [] brackets in the power are meant to be the \floor function (i couldn't get it right in latex..)
Thanks for the help !
$
f(x)=(-1)^{[3x]}X+(-1)^{[2x]}X^2

$
• Dec 9th 2009, 02:17 AM
antisane
will appreciate the help much.. help still needed...
• Dec 9th 2009, 02:53 AM
Plato
Did you try to graph the function?
• Dec 9th 2009, 02:57 AM
antisane
ya
Yes, I got a pretty crazy graph...