# Over the x-value interval #[−10,10]#, what are the absolute extrema of #f(x)=x^2#?

##### 1 Answer

Jul 27, 2015

The absolute maximum value is 100 at

#### Explanation:

This is clear just by knowing the graph of

You can also use calculus (just a little preview if you are in precalculus). Since the derivative

This guarantees that the absolute maximum value is 100 at