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Popular Functions >

extreme (2-7x)^3

Solution

extreme points

(2 - 7 x)^{3}

Solution

Saddle (\frac{2}{7}, 0)

Solution steps

f^{'} (x) = - 21 (2 - 7 x)^{2}

Find intervals:

Decreasing

: - \infty < x < \frac{2}{7},

Decreasing

: \frac{2}{7} < x < \infty

Plug

x = \frac{2}{7}

into

(2 - 7 x)^{3} : 0

Saddle (\frac{2}{7}, 0)

Graph

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Frequently Asked Questions (FAQ)

What is the extreme (2-7x)^3 ?
The extreme (2-7x)^3 is Saddle(2/7 ,0)