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

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Answer 1 · 2016-12-05T11:04:16

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

$f(n+1)" "$ means replace all the $xs" "$ with $" "n+1$

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

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

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