SOLUTION: What values of x are excluded for the function f(x)= (x-1)/(x^2+1)? A) 1 B) 0 and 1 C) -1 and 1 D) No values are excluded.

Algebra ->  Expressions-with-variables -> SOLUTION: What values of x are excluded for the function f(x)= (x-1)/(x^2+1)? A) 1 B) 0 and 1 C) -1 and 1 D) No values are excluded.      Log On


   



Question 178334: What values of x are excluded for the function f(x)= (x-1)/(x^2+1)?
A) 1
B) 0 and 1
C) -1 and 1
D) No values are excluded.

Answer by cartert(27) About Me  (Show Source):
You can put this solution on YOUR website!
any time u have an x by its self there is an impied 1 in front
some Ex.
-x = -1x
x = 1x
x^2 = 1x^2
-x^2 = -1x^2
but there is never an exclusion of 1 only 0
i hope this helps you