What is the monotone f(x)=x^2-2x-8 ?

The monotone f(x)=x^2-2x-8 is Decreasing:-infinity <x<1,Increasing:1<x<infinity

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monotone f(x)=x^2-2x-8

monotone intervals

f (x) = x^{2} - 2 x - 8

Decreasing : - \infty < x < 1, Increasing : 1 < x < \infty

Solution steps

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

Find intervals:

Decreasing

: - \infty < x < 1,

Increasing

: 1 < x < \infty

Decreasing : - \infty < x < 1, Increasing : 1 < x < \infty

x - sin (x)

\frac{x}{2 x ^{2} - 5} - x

y = 4

f (x) = 2 x + 8

\frac{5 x}{x}

What is the monotone f(x)=x^2-2x-8 ?
The monotone f(x)=x^2-2x-8 is Decreasing:-infinity <x<1,Increasing:1<x<infinity