IF `f(x)=1-x^3-x^5` is decreasing for

The function f(x) = 1-x^(3)-x^(5) is decreasing for

The function f(x)= 1- x^(3) - x^(5) is decreasing for -

The function f(x)=x^(4)-2x^(3)+1 is decreasing for

Obsereve the following the lists {:("List-I","List-II"),("A) "f(x)=x^2-2x+5" is increasing in","1) "xgt1/e),("B) "f(x)=x^x" decreases for","2) "(-oo,-1)uu(1,oo)),("C) "f(x)=x+1/x" is increasing in","3) "(1,oo)),("D) "f(x)=9-6x-2x^2-x^3" is decreasing for","4) "(-oo,oo)),("","5) "0ltxlt1/e):}

For what value of a, f(x)=-x^3+4ax^2+2x-5 decreasing for all x .

For what value of a, f(x)=-x^3+4ax^2+2x-5 decreasing for all x .

The function f(x)=10-3x^3+x is decreasing in

Find the interval in which the function f(x)= x^3-6x^2+9x+5 is decreasing.