3. Suppose f(x) = 7x - 3 is the encoding function.

a. Encode "COLLIN COUGARS". The answer should be numbers. Remember to include the space.

Code:

b. Find the inverse function, f-1(x). Show your work.

c. Using the inverse function from part b, decode the following encoded message. First, write down the

decoded numbers, then write the corresponding letters. The answer should be words.

39 4 81 81 186 4 95 25 186 130 109 123 60 95 46 186 4 123 32 186

88 172 186 39 4 151 102 123 60 137 32 186 130 32 4 130 102 95 130