Evaluate the function at the indicated values. If the function does not exist at a value, enter NONE.

Question

f(x)= |x| / x

f (-3) =
f (-1) =
f (0) =
f (3) =
f (x^2) =
f (1/x) =

Answer 1

|x|/x = 1 if x>0
|x|/x = -x/x = -1 if x<0

watch out for x=0