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Show that the modulus function f:R→R, given by f(x) =|x|, is neither one-one nor onto, where |x| is x, if x is non -negative and |x| is -x if x, is negative. |
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Answer» Show that the modulus function f:R→R, given by f(x) =|x|, is neither one-one nor onto, where |x| is x, if x is non -negative and |x| is -x if x, is negative. |
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