Inverse functions can be used to send and receive coded information. A simple example might use the
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Inverse functions can be used to send and receive coded information. A simple example might use the function
Suppose that each letter of the alphabet is assigned a numerical value according to its position, as follows.
Using the function, the word ALGEBRA would be encoded as
because
and so on. The message would then be decoded using the inverse of ƒ, which is
and so on. Work Exercises in order.
Suppose that you are an agent for a detective agency. Today’s encoding function is ƒ(x) = 4x - 5. Find the rule for ƒ-1 algebraically.
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A function is the mapping or transformation of an input x into an output y ie y ...View the full answer
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Ankit Jangra
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Related Book For 
Intermediate Algebra
ISBN: 9780134895987
13th Edition
Authors: Margaret Lial, John Hornsby, Terry McGinnis
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