Cryptography A friend is using the letternumber
Chapter , Problem 4.1.60(choose chapter or problem)
Cryptography A friend is using the letternumber correspondence in Exercise 59 and the coding function g(x) = 2x + 3. Your friend sends you the coded message 59 31 39 73 31 75 61 37 31 75 29 23 71 Use g-1 to decode this message.
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