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Popular Functions >

inflection f(x)=3x^3-36x-9

Solution

inflection points

f (x) = 3 x^{3} - 36 x - 9

Solution

(0, - 9)

Solution steps

f^{''} (x) = 18 x

Find intervals:

Concave Downward

: - \infty < x < 0,

Concave Upward

: 0 < x < \infty

Plug

x = 0

into

3 x^{3} - 36 x - 9 : - 9

(0, - 9)

Graph

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Frequently Asked Questions (FAQ)

What is the inflection f(x)=3x^3-36x-9 ?
The inflection f(x)=3x^3-36x-9 is (0,-9)