Find whether `f(x) = x + cos x` is one-one.Identify whether the function `f(x) =-x^3 + 3x^2-2x + 4` for `f : R -> R` is ONTO or INTO

Find whether f(x)=x+cos x is one- one.Identify whether the function f(x)=-x^(3)+3x^(2)-2x+4 for f:R rarr R is ONTO or INTO

(i) Find whether f(x)=x+cosx is one-one. (ii) Identify whether the function f(x)=-x^(3)+3x^(2)-2x+4 for f:RtoR is ONTO or INTO (iii) f(x)=x^(2)-2x,[0,3]toA . Find whether f(x) is injective or not. Also find the set A if f(x) is surjective

(i) Find whether f(x)=x+cosx is one-one. (ii) Identify whether the function f(x)=-x^(3)+3x^(2)-2x+4 for f:RtoR is ONTO or INTO (iii) f(x)=x^(2)-2x,[0,3]toA . Find whether f(x) is injective or not. Also find the set A if f(x) is surjective

State whether the function f : R rarr R, defined by f(x) = 3 - 4x is onto or not.

Check whether the function f: R rarr R given by f(x) = x^2 , is 1 - 1 and onto or not.

Find whether f(x) is one-one or many-one & into or onto if f:D->R where D is its domain. f(x)=3/4x^2-cospix

Check whether the function F : R to R defined as F(X ) =x^2 is one-one or not.

Find whether the function are one–one or many–one f(x) = (3x^(2))/(4pi) - cos pi x

Find whether f: R->R given by f(x)=x^3+2 for all x in R .

Check whether the function f:R rarr R defined as f(x)=[x] is one - one or not.