a) What is a one-to-one function? How can you tell if a  function is one-to-one by looking at its graph?(b) If f is a one-to-one function, how is its inverse function  f -1 defined? How do you obtain the graph of f -1 from  the graph of f ?

College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter2: Functions
Section: Chapter Questions
Problem 15CC
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a) What is a one-to-one function? How can you tell if a  function is one-to-one by looking at its graph?
(b) If f is a one-to-one function, how is its inverse function  f -1 defined? How do you obtain the graph of f -1 from  the graph of f ?

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