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The Corruption Perceptions Index uses perceptions of the general public. business people, and risk analysts to rate countries by how likely they are to accept bribes the ratings are on a scale from 0 to 10, where higher scores represent less corruption, the graph shows the corruption rating for the world's least corrupt and most corrupt countries (The ruling for the United States is' 7.6.) Use the graph to solve Exercises 99-100.
a. Write a set or four ordered pairs in which each of the least corrupt countries corresponds to a corruption rating. Each ordered pair should be in the form
(country, corruption rating).
b. Is the relation in part (a) a function? Explain your answer.
c. Write a set of four ordered pairs in which corruption ratings for the least corrupt countries correspond to countries- Each ordered pair should be in the form (corruption rating, country).
d. Is the relation in part (c) a function? Explain your answer.
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Chapter 1 Solutions
EBK PRECALCULUS
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