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7. Given A (1,3, 5), and B fa, b, c), which of the following sets define(s) a function fA B? (1) 8. Given f:Z-Z, mark

7. Given A (1,3, 5), and B fa, b, c), which of the following sets define(s) a function fA B? (1) 8. Given f:Z-Z, mark each function as injective, surjective, bijective, or NONE. (2) a) f(x)x+10 b) f(x) x2 c) f(x)--x d)f(x)-21x

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