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Popular >

inflection 18x^4-108x^2

Solution

inflection points

18 x^{4} - 108 x^{2}

Solution

(- 1, - 90), (1, - 90)

Solution steps

f^{''} (x) = 216 x^{2} - 216

Find intervals:

Concave Upward

: - \infty < x < - 1,

Concave Downward

: - 1 < x < 1,

Concave Upward

: 1 < x < \infty

Plug

x = - 1

into

18 x^{4} - 108 x^{2} : - 90

(- 1, - 90)

Plug

x = 1

into

18 x^{4} - 108 x^{2} : - 90

(1, - 90)

(- 1, - 90), (1, - 90)

Popular Examples

slope of-6x-2y=7 slope

- 6 x - 2 y = 7

domain of f(x)=-1 domain

f (x) = - 1

domain of f(x)= x/(x^2+64)domain

f (x) = \frac{x}{x ^{2} + 64}

inverse of g(x)=x^2+4 inverse

g (x) = x^{2} + 4

inverse of f(x)= x/(x-1)inverse

f (x) = \frac{x}{x - 1}

Frequently Asked Questions (FAQ)

What is the inflection 18x^4-108x^2 ?
The inflection 18x^4-108x^2 is (-1,-90),(1,-90)