# I need to post an answer to this not using the teachers answer another problem can be used

SoccerBoss
Category:
Algebra
Price: \$10 USD

Question description

A one-to-one function and its inverse can be used to make information secure. The function is used to encrypt a message, and its inverse is used to decrypt the encrypted message. The following numerical values are assigned to each letter of the alphabet:

 A1 B2 C3 D4 E5 F6 G7 H8 I9 J10 K11 L12 M13 N14 O15 P16 Q17 R18 S19 T20 U21 V22 W23 X24 Y25 Z26

Using the function f(x)=3x-1, the message “HELLO” would be encrypted 23 14 35 35 44 since H corresponds to 8 and f(8)=3(8)-1=23, etc.

This week, each student is to use a one-to-one function to encode a word, phrase, or sentence that relates to some topic that we have covered in this class. Post your function and your encrypted message to the discussion forum by selecting "Add a new discussion topic" below. Label the Subject "'s message." Then, choose one of your classmate's posts to decrypt. You will need to first find your classmate's inverse function, explaining carefully how you determined it. Then decrypt the message. Put all of this information in your reply post. In addition, throughout the week, you should reply to at least four of your other classmates' posted solutions and verify their inverse functions and decrypted messages.

(Top Tutor) Daniel C.
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School: Duke University
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