If `f(x)=x^(3)`, find the value of `({f(5)-f(1)})/((5-1))`

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

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

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

Let f(x) be a polynomial satisfying lim_(x rarr oo)(x^(2)f(x))/(2x^(5)+3)=6, also f(1)=3,f(3)=7 and f(5)=11, then find the value of ((f(6)+5f(4))/(29))

2f(1/x) - f(x) = 5x , find the value of f(x + 1/x).

If f(x)=x^3-frac{1}{x^(3)} find the value of f(x)+f(frac{1}{x})

If f(x) = x^5 - 1/x^5 then find the value of f(x) + f(1/x)