Asked by Daniel
Evaluate the function at the indicated values. If the function does not exist at a value, enter NONE.
f(x)= |x| / x
f (-3) =
f (-1) =
f (0) =
f (3) =
f (x^2) =
f (1/x) =
f(x)= |x| / x
f (-3) =
f (-1) =
f (0) =
f (3) =
f (x^2) =
f (1/x) =
Answers
Answered by
oobleck
|x|/x = 1 if x>0
|x|/x = -x/x = -1 if x<0
watch out for x=0
|x|/x = -x/x = -1 if x<0
watch out for x=0
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