Write the set of values of `a` for which `f(x)=cosx+a^2\ x+b` is strictly increasing on `R` .

Write the set of values of a for which f(x)=cos x+a^(2)x+b is strictly increasing on R.

Let f(x)=((a^(2)-4)/(a^(2)+2))x^(3)-3x+sin3, then the true set of values of a for which f(x) is strictly decreasing on R is

Find the set of values of ' a ' for which f(x)=x+cosx+a x+b is increasing on R .

Prove that f(x) = 3^(x) is strictly increasing on R

Find the values of x for which f(x)= frac {x}{x^2 + 1} is strictly increasing

Find the set of values of 'a' for which f(x)=x+cos x+ax+b is increasing on R

Write the set of values of k for which f(x)=kx-sin x is increasing on R .

Write the set of values of a for which the function f(x)=a x+b is decreasing for all x in R .

Write the set of values of k for which f(x)=k x-sinx is increasing on R .