Question: Consider the coding function c = 15x + 21 mod 26. a) Use this function to put the first three letters of your name into

Consider the coding function c = 15x + 21 mod 26.

a) Use this function to put the first three letters of your name into code. (dyl)

b)Now put your coded name into code (so that you are using the coding function two times).

c)Show that using the coding function c two times is equivalent1 to using the coding function d = 17x + 24 mod 26 once

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