SOLUTION: If f(x)= x-2/x+1, then f(n+1) is equal to.. A)-1/2 b)n-2/n+1 c)n-1/n+2 d)n+1/n-2

Algebra ->  Rational-functions -> SOLUTION: If f(x)= x-2/x+1, then f(n+1) is equal to.. A)-1/2 b)n-2/n+1 c)n-1/n+2 d)n+1/n-2      Log On


   

Question 404478: If f(x)= x-2/x+1, then f(n+1) is equal to..
A)-1/2
b)n-2/n+1
c)n-1/n+2
d)n+1/n-2
Answer by richard1234(7193) About Me  (Show Source):
You can put this solution on YOUR website!
Just replace x with n+1 to obtain

f%28n%2B1%29+=+%28%28n%2B1%29-2%29%2F%28%28n%2B1%29%2B1%29+=+%28n-1%29%2F%28n%2B2%29 so choice C is correct.