Question: Encrypt the message WATCH YOUR STEP by translating the letters into numbers, applying the given encryption function, and then translating the numbers back into letters.

Encrypt the message WATCH YOUR STEP by translating the letters into numbers, applying the given encryption function, and then translating the numbers back into letters.
a) f (p) = (p + 14) mod 26
b) f (p) = (14p + 21) mod 26
c) f (p) = (−7p + 1) mod 26

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