If `f(x)=2x-x^(2)` then find the value of f(1)=____.

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

If f(x)=x^(3)+2x , then find the value of f(3) .

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

If f(x)=x^2 then find the value of (f(1.1)-f(1))/(1.1-1) .

lf f(x)={(x^3, 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.

Ilf f(x)={x^3, 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.

Ilf f(x)={x^3, 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+3) = 2x^2-3x-1 , find the value of f(x+1).

If f(x)= 4^x/(4^x-2) then find the value f(x)+f(1-x).

If 2f(x)+3f(-x)=x^(2)-x+1, find the value of f'(1)