Ilf `f(x)={x^3, x<0 3x-2,0lt=xlt=2, x^2+1,x >2` , then find the value of `f(-1)+f(1)+f(3)` . Also find the value `(s)` of `x` for which `f(x)=2.`

If f(x)=x^(3)-(1)/(x^(3)) , then find the value of f(x)+f(-x) .

If f(x)=x^2+x+1 , then find the value of 'x' for which f(x-1) =f(x)

If f(x)=(x^(3))/(a^(2)-x^(2)) then find the value of f'((a)/(2)) .

If f(x)=3x^(2)+4x-1 , then find the approximate value of f(3.1) .

If f(x)=x^(2) is a real function, find the value of f(1).

If f(x)=3x^(2)+24x-53 , find the negative value of f^(-1)(0) .

If f'(x) = 1/x + x^2 and f(1)=4/3 then find the value of f(x)

If (x^2+x−2)/(x+3) -1) f(x) then find the value of lim_(x->-1) f(x)

If f(x) = (x + 1)/(x-1) , then the value of f{f(3)} is :

A function is defined as f(x)=(x^2+1)/(3x-2) . Can f(x) take a value 1 for any real x ? Also find the value (s) of x for which f(x) takes the value 2.