Use the Alphabet Coding Method (A =1, B = 2 $f ( x ) = x ^ { 3 } - 1$

question 327

Essay

Use the alphabet coding method (A =1, B = 2, C = 3, ... Z = 26) to
-Encode the message BEWARE OF DOG using the one-to-one function defined by $f ( x ) = x ^ { 3 } - 1$ Give the inverse function that the decoder would need when the message is
received.

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