`9x^2-3x-20`

x^(3)-3x^(2)-9x+20 is

Simplify (x+4)/(3x+4y) xx (9x^(2) - 16y^(2))/(2x^(2) +3x-20)

Express each of the following as a rational expressions. (x^2-5x+6)/(x^2-9x+20) div( x^2-3x+2)/(x^2-5x+4) :

The function f(x)=2x^3+9x^2+12x+20 is increasing in the interval

The function f(x)=2x^3+9x^2+12x+20 is increasing in the interval

Find the intervals in which f(x) = 2x^3+9x^2+12x+20 is increasing or decreasing.

Find the interval in which f(x)=x^(3)-3x^(2)-9x+20 is strictly increasing or strictly decreasing.

Find the interval in which f(x)=x^(3)-3x^(2)-9x+20 is strictly increasing or strictly decreasing.

Find the interval in which f(x)=x^(3)-3x^(2)-9x+20 is strictly increasing or strictly decreasing.