Let A={x in R: x != 0, -4 le x le 4} and...

Let `A={x in R: x != 0, -4 le x le 4}` and `f: A rarr R` is defined by `f(x)=(|x|)/(x)` for `x in A`. Then the range of f is

A

`{1, -1}`

B

`{ x : 0 le x le 4}`

C

`{1}`

D

`{ x : -4 le x le 0}`

Verified by Experts

The correct Answer is:

A

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