Find the values of x such that
`f(x)=2x^(3)-15x^(2)-84x-7` is a decreasing function.

Find the values of x, such that f(x) = 2 x^3 - 15 x^2 -84x-7 is a decreasing function.

By completing the following activity, find the values of x such that f(x) = 2x^(3) - 15x^(2) - 84x -7 is (i)decreasing function. (ii) increasing function

Find the values of x such that f(x)=2x^(3)-9x^(2)+12x+2 is a decreasing function.

Find the values of x, such that f(x)= 2 x^3 -15 x^2 +36x +1 is an increasing function

f(x)=2x^(3)-15x^(2)+36x+5 is decreasing in

Find the values of x , such that f(x) = 2x^(3) - 15x^(2) + 36x +1 is (i) increasing function (ii) decreasing function

Find the values of x such that f(x) = (x-2)/(x+1), x ne -1 is decreasing function

The function f(x)=2x^(3)-15x^(2)-144x-7 is increasing for