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)

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

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

lf f(x) = [x] and g (x) = |x |, find (g+f)(2.3)

lf f(x) = [x] and g (x) = |x |, find (gf)(1.5)

If f(x)=x+7 and g(x)=x-7 , then find (fog) (7).

If f : R rarr R is defined by f(x)=x^2+2 and g : R-{1} rarr R is defined by g(x)=x/(x-1) , find (fog)(x) and (gof)(x) .