Question

Question #8f1a7

Answer 1

`f(3) = 4`

Explanation:

`f(x) = (1+x^-1)/(x^-1) = (1+1/x)/(1/x) = (x/x + 1/x)/(1/x) = ((1+x)/x)/(1/x)`
`= ((1+x)/x) * (x/1) = 1 + x`

`f(3) = 1 + 3 = 4`