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

Essay

Use the alphabet coding method (A =1, B = 2, C = 3, ... Z = 26) to solve the problem.
-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.