What is the monotone f(x)=sqrt(x^2-4) ?

The monotone f(x)=sqrt(x^2-4) is Decreasing:-infinity <x<-2,Increasing:2<x<infinity

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monotone f(x)=sqrt(x^2-4)

monotone intervals

f (x) = x^{2} - 4

Decreasing : - \infty < x < - 2, Increasing : 2 < x < \infty

Solution steps

f^{'} (x) = \frac{x}{x ^{2} - 4}

Find intervals:

Decreasing

: - \infty < x < - 2,

Increasing

: 2 < x < \infty

Decreasing : - \infty < x < - 2, Increasing : 2 < x < \infty

3 sin (2 x - \frac{π}{4}) + 1

(4, - 3), (- 1, 3)

f (x) = \frac{4 x - 1}{2 x + 7}

f (x) = \frac{( 7 - 4 x )}{7 + 5 x}

f (x) = x - 6

What is the monotone f(x)=sqrt(x^2-4) ?
The monotone f(x)=sqrt(x^2-4) is Decreasing:-infinity <x<-2,Increasing:2<x<infinity