Let f,g:`R rarr R` be defined respectively by `f(x)=x+1,g(x)=2x-3`.Find `f+g,f-g and f/g`.

If f,g: RrarrR are defined respectively-by f(x)=x+1, g(x)=2x^2+3 ,find (fg)x,

If f,g: RrarrR are defined respectively-by f(x)=x+1, g(x)=2x^2+3 ,find(f-g)(x)

If f,g: RrarrR are defined respectively-by f(x)=x+1, g(x)=2x^2+3 ,find (f+g)(x)

If f,g: RrarrR are defined respectively-by f(x)=x+1, g(x)=2x^2+3 ,find (f/g)(x)

If f(x)=(x) and g(x)=(5x-2) Find f0g and g0f

If f : R rarr R be defined by f(x)=|x| , show that fof=f

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

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.

If f :IR rarrIR is defined by f(x)=x^2-3x+2 , find f(f(x))?

Let f:R rarr R be such that f(x)=2x .Determine f(f(x).