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If the function f: R->A given by f(x)=(x...

If the function `f: R->A` given by `f(x)=(x^2)/(x^2+1)` is a surjection, then `A=` `R` (b) [0, 1] (c) (0, 1] (d) [0, 1)

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The correct Answer is:
A `in` [0,1)
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