What is the monotone f(x)=5x^2-x-4,-4<= x<= 4 ?

The monotone f(x)=5x^2-x-4,-4<= x<= 4 is Decreasing:-4<x< 1/10 ,Increasing: 1/10 <x<4

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monotone f(x)=5x^2-x-4,-4<= x<= 4

monotone intervals

f (x) = 5 x^{2} - x - 4, - 4 \leq x \leq 4

Decreasing : - 4 < x < \frac{1}{10}, Increasing : \frac{1}{10} < x < 4

Solution steps

Find the critical points:

x = - 4, x = \frac{1}{10}, x = 4

Domain of

5 x^{2} - x - 4, - 4 \leq x \leq 4 : - 4 \leq x \leq 4

Find intervals:

Decreasing

: - 4 < x < \frac{1}{10},

Increasing

: \frac{1}{10} < x < 4

Decreasing : - 4 < x < \frac{1}{10}, Increasing : \frac{1}{10} < x < 4

9 y + 5 x = 90

f (x) = x + 9 - 3

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

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

y = 1 - x

What is the monotone f(x)=5x^2-x-4,-4<= x<= 4 ?
The monotone f(x)=5x^2-x-4,-4<= x<= 4 is Decreasing:-4<x< 1/10 ,Increasing: 1/10 <x<4