'The gradient of a curve is given by . Find the set of values of x for which y is an increasing function of x.

Im pretty good at calculus, but i'm not sure what it means by an increasing function of x.

Any help?

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- April 24th 2008, 04:20 AMnugiboyCalculus question!
'The gradient of a curve is given by . Find the set of values of x for which y is an increasing function of x.

Im pretty good at calculus, but i'm not sure what it means by an increasing function of x.

Any help? - April 24th 2008, 04:22 AMtopsquark
- April 24th 2008, 04:28 AMnugiboy
- April 24th 2008, 05:10 AMIsomorphism
- April 24th 2008, 05:16 AMMoo
Hello,

A table of signs can help :

(this can look unuseful, but it's the reasoning :))

So if

If

If

So the function will be increasing for :D