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

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

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monotone f(x)=x^2+2x

monotone intervals

f (x) = x^{2} + 2 x

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

f (x) = \frac{9 e ^{x}}{e ^{x} - 2}

f (x) = - 2 cos (4 π x)

f (x) = \frac{19}{1 + 7 ^{- x}}

f (x) = (x - 7)^{2}

g (x) = \frac{7}{t}

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