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Question 13 (2 points) Let h: Z → Z be defined by h(x) = 3x Then h is injective. . True False Question 14 (2 points) Let h: Z
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True h!→Z by h (2) = 32 a,,RZEZ such that hn) h (12) Let 3x = 3x2 x = x2 [.in, dat 2 Therefore h is injective false 1 t 2, th

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