d) Let f be the function from {1, 2, 3, 4} to {a, b, c, d}...

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d) Let f be the function from {1, 2, 3, 4} to {a, b, c, d} with f (1) = d, f (2) = c,f(3) = a, and f (4) = b. i. %3D Show that f is a bijection. 11. Does f have an inverse? If so, find this inverse. [4 marks] [2 marks] 1 e) i) Conjecture a formula for 1 +...+ 1 4 47 d) Let f be the function from {1, 2, 3, 4} to {a, b, c, d} with f (1) = d, f (2) = c,f(3) = a, and f (4) = b. i. %3D Show that f is a bijection. 11. Does f have an inverse? If so, find this inverse. [4 marks] [2 marks] 1 e) i) Conjecture a formula for 1 +...+ 1 4 47