The following functions all have {1, 2, 3, 4, 5) as both their domain and codomain. For each, determine whether it is (only) injective, (on surjective, bijective, or neither injective nor surjective. 1. f(x) = ? 2. f = 1 4 3. f(x)= 2-2 23 4 2 19-2 if z <3 if # 23 4 5 3 1/ if # < 4 if # 24

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Q: 1, if x<-1 f(x) ={ x, if -1くxく0 2-x, if x 2 0

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