If `f: R to R and g: R to R `are defined by `f(x)=2x+3 and g(x)=x^(2)+7` , then the values of x such that `g(f(x))=8` are

If f:R rarr R and g:R rarr R defined by f(x)=2x+3 and g(x)=x^(2)+7 then the values of x for which f(g(x))=25 are

Let R be the set of real number and the mapping f :R to R and g : R to R be defined by f (x)=5-x^(2)and g (x)=3x-4, then the value of (fog) (-1) is

If f:R rarr R and g:R rarr R are defined by f(x)=x-[x] and g(x)=[x] is x in R then f{g(x)}

Let f : R to R and g : R to R be given by f (x) = x^(2) and g(x) =x ^(3) +1, then (fog) (x)

If f:R rarr R and g:R rarr R given by f(x)=x-5 and g(x)=x^(2)-1, Find fog

Let R be the set of real numbers and the functions f:R rarr R and g:R rarr R be defined by f(x)=x^(2)+2x-3 and g(x)=x+1 Then the value of x for which f(g(x))=g(f(x)) is

If f:R rarr R and g:R rarr R are define by f(x)=3x-4 and g(x)=2+3x , then (g^(-1)of^(-1))(5)=

If the functions f: R to R and g: R to R be defined by f (x) = 2x+1, g(x) = x^2 - 2. Find the formulae for g o f and f o g.