Find the value of `f(a)+f(-a), when f(a)=3/a-2`

Find the value of f(f(-2)) , if f(x)=(x)/(x+1)

Find the value of f(g(2#3)+g(f(1#2) :

If f(x)=2x^(3)-13x^(2)+17x+12 , then find the value of f(-2) and f(3).

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.

Find the approximate value of f(3.02), where f(x)=3x^(2)+5x+3

Find the approximate value of f(3.02), where f(x)=3x^(2)+5x+3

Find the approximate value of : f(3.02)," where "f(x)=3x^(2)+15x+3

Find the approximate value of f(3. 02) , where f(x)=3x^2+5x+3 .