The domain of the function $$fx=x2-x2$$, where [x] is the greatest integer less than or equal to x, is

Correct option is 4None of these

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The domain of the function $f (x) = \sqrt{x^{2} - {[x]}^{2}},$ where [x] is the greatest integer less than or equal to x, is

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Correct option is D

x2-x2≥0 or x2≥x2This is true for all non-negative values of x and all negativeintegers x.

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The domain of the function fx=x2-x2, where [x] is the greatest integer less than or equal to x, is

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The domain of the function $f (x) = \sqrt{x^{2} - {[x]}^{2}},$ where [x] is the greatest integer less than or equal to x, is