What is the monotone f(x)=-5x^2+20000x ?

The monotone f(x)=-5x^2+20000x is Increasing:-infinity <x<2000,Decreasing:2000<x<infinity

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monotone f(x)=-5x^2+20000x

monotone intervals

f (x) = - 5 x^{2} + 20000 x

Increasing : - \infty < x < 2000, Decreasing : 2000 < x < \infty

Solution steps

f^{'} (x) = - 10 x + 20000

Find intervals:

Increasing

: - \infty < x < 2000,

Decreasing

: 2000 < x < \infty

Increasing : - \infty < x < 2000, Decreasing : 2000 < x < \infty

\frac{49}{x ^{2}}

f (x) = 2 x^{3} - 2 x^{2} - 5 x

f (x) = x + 9

f (x) = 7 x^{4} - 4 x^{3}

\frac{5 x}{x ^{2} - 4}

What is the monotone f(x)=-5x^2+20000x ?
The monotone f(x)=-5x^2+20000x is Increasing:-infinity <x<2000,Decreasing:2000<x<infinity