Find `f0g` and `g0f`, if `f(x)=8x^3` and `g(x)= x^(1/3) `

Find f0g and g0f : f(x)=x^2+2 , g(x)=1-1/(1-x)

Find f0g and g0f : f(x) = 2x , g(x)=sinx

Find f0g and g0f : f(x)=x+1 , g(x)=cosx

Find f0g and g0f : f(x) = alpha , g(x)=sinx^2

Find f {f (x)} if f(x)=(2x+1)/(3+x)

Let f : R rarr R and g : R rarr R be defined by f(x)=x^2+3x+1 and g(x)=4x-3 . Find formulas defining the compositions fog,gof,fof and gog.

Find f {f (x)} if f(x)=(x+1)/(x-1)

Find f0g and g0f , giving their domains, where f(x)=e^x and g(x)=logx

Let g:RrarrR and f:RrarrR is defined as f(x)=2x and g(x)=x^2 . Find f0g and g0f .

Find the domain for which the functions f(x)= 2x^2-1 and g(x)=1-3x are equal.