Question: please show how to do 1 and 2 Let f(x) =Lx?/(x-2)]. Find f(S) if S is: (a) {-3, -2, 5, 10,}. (b) {-1,3,4,5). Suppose f:

please show how to do 1 and 2

Let f(x) =Lx?/(x-2)]. Find f(S) if S is: (a) {-3, -2, 5, 10,}. (b) {-1,3,4,5). Suppose f: N N has the rule fin) = 3n-1. (a) Determine whether fis surjection onto N and show why. (b) Determine whether fis injection into N and show why

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