Evaluate limit as x approaches 4 of (|x-4|)/(x-4)

Math
Consider the left sided limit.
Make a table to show the behavior of the function as approaches from the left.
As the values approach , the function values approach . Thus, the limit of as approaches from the left is .
Consider the right sided limit.
Make a table to show the behavior of the function as approaches from the right.
As the values approach , the function values approach . Thus, the limit of as approaches from the right is .
Since the left sided and right sided limits are not equal, the limit does not exist.
Evaluate limit as x approaches 4 of (|x-4|)/(x-4)

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