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Popular >

extreme f(x)=x^2-9x

Solution

extreme points

f (x) = x^{2} - 9 x

Solution

Minimum (\frac{9}{2}, - \frac{81}{4})

Solution steps

f^{'} (x) = 2 x - 9

Find intervals:

Decreasing

: - \infty < x < \frac{9}{2},

Increasing

: \frac{9}{2} < x < \infty

Plug

x = \frac{9}{2}

into

x^{2} - 9 x : - \frac{81}{4}

Minimum (\frac{9}{2}, - \frac{81}{4})

Graph

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Frequently Asked Questions (FAQ)

What is the extreme f(x)=x^2-9x ?
The extreme f(x)=x^2-9x is Minimum(9/2 ,-81/4)