1.

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

Answer»

`{1, -1}`
`{ X : 0 le x le 4}`
`{1}`
`{ x : -4 le x le 0}`

ANSWER :A


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