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Popular >

extreme-x^3+9x^2-27x+8

Solution

extreme points

- x^{3} + 9 x^{2} - 27 x + 8

Solution

Saddle (3, - 19)

Solution steps

f^{'} (x) = - 3 x^{2} + 18 x - 27

Find intervals:

Decreasing

: - \infty < x < 3,

Decreasing

: 3 < x < \infty

Plug

x = 3

into

- x^{3} + 9 x^{2} - 27 x + 8 : - 19

Saddle (3, - 19)

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Frequently Asked Questions (FAQ)

What is the extreme-x^3+9x^2-27x+8 ?
The extreme-x^3+9x^2-27x+8 is Saddle(3,-19)