If `f(x) = x^2 + 1` defined on `R rarr R,` find value of x for which `f(x) = -5.`

If f(x)=x^(2)+x+1 defined on R to R , find value of x for which f(x)=-1 .

If f(x)=x^(2)+x+1 defined on R to R , find value of x for which f(x)=-1 .

If : R rarr R defined by f(x) = x |x | , then f(x) is

Let f : R rarr R be defined by f(x) = x^(2) + 3x + 1 and g : R rarr R is defined by g(x) = 2x - 3, Find, (i) fog (ii) gof

Let f : R rarr R be defined by f(x) = x^(2) + 3x + 1 and g : R rarr R is defined by g(x) = 2x - 3, Find, (i) fog (ii) gof

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 is defined by f(x) = x + 2, find f(f(x))

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

If f:R rarr R and g : R rarr R are defined by f(x) = 3x + 2 and g(x) = x^2 - 3 , then the value of x such that g(f(x))=4 are