Question: 4. The following message was encrypted using an affine transformation of the form C = ap+b (mod 26). Use frequency analysis (8.1) to determine

4. The following message was encrypted using an affine transformation of the

4. The following message was encrypted using an affine transformation of the form C = ap+b (mod 26). Use frequency analysis (8.1) to determine the values of a and b. What is the plaintext message? IUXZX OIXKN WIUXP BCX

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