Question

If f(x) = x-2/x+1, then f(n+1)) is equal to

Answer 1

Answer: f(n+1) = (n - 1)/(n + 2)

Explanation:

f(x) = (x - 2)/x+1

Find f(n+1) simply replace x by (n+1)

f(n+1) = (n + 1 - 2)/(n + 1 + 1)
= (n - 1)/(n + 2)