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QUESTION 14 Define g:Z → Z by the rule g(n)= n2 - 2, for all integers n. Is gone-to-one? Yes, because Vm, nez, if g(m) = g(n)
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where n is en Solution - Given function - g: zz by the rule g (m) = 22-2 integer We know that Any function f : AB is definedHence is not a one-to-one function. option 3rd No, a counter-example would be g (1) = 9(-1) but 18-1 Ans.

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