# Math Help - Minimum And Maximum Value

1. ## Minimum And Maximum Value

Need some hlep with the following problem:

Find the maximum and minimum values of the function on the given interval.

y=3-x/x^2+9x interval [3,10]

Thanks for your help

2. Originally Posted by elexis10
Need some hlep with the following problem:

Find the maximum and minimum values of the function on the given interval.

y=3-x/x^2+9x interval [3,10]

Thanks for your help
Dear elexis,

Do you mean $y=3-\frac{x}{x^2+9x}$ or $y=3-\frac{x}{x^2}+9x$ ??

In any case first step is to differentiate with respect to x.