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Popular >

extreme f(x)=(x-1)(x+2)

Solution

extreme points

f (x) = (x - 1) (x + 2)

Solution

Minimum (- \frac{1}{2}, - \frac{9}{4})

Solution steps

f^{'} (x) = 2 x + 1

Find intervals:

Decreasing

: - \infty < x < - \frac{1}{2},

Increasing

: - \frac{1}{2} < x < \infty

Plug

x = - \frac{1}{2}

into

(x - 1) (x + 2) : - \frac{9}{4}

Minimum (- \frac{1}{2}, - \frac{9}{4})

Graph

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Frequently Asked Questions (FAQ)

What is the extreme f(x)=(x-1)(x+2) ?
The extreme f(x)=(x-1)(x+2) is Minimum(-1/2 ,-9/4)