Question 18 Consider f : X →Y,with domain {c, g, 0, e, d, p, 2, U, M, s, n, v} and codomain Y = {69, 10, 11, 38, 07, 24, 43, 68, 78, 76, 03, 25}, as defined below using the set of expressions of the form f(a) b. It is currently a bijection. Which of the following sequences of operations would cause this function to lose its injectivity while still remaining a valid surjection? f(e) f(n) f(o) f(p) = 24 f(m) f(z) f(s) f(u) f(c) f(g) f(d) f(v) 38 = 03 11 78 = 43 = 76 = 68 69 10 = 07 = 25

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