Social Studies, 08.12.2020 02:00, lex7429

Write a rule to find the total cost C(a) for all the books a person buys through book express. Let a represent the number of additional books bought ( after the first 6 books). b. suppose a person has 9 books in all . find the total cost , c. evaluate the function for a=6 . what does the output represent ? d. does the function rule model discrete or continuous data ? please helppp

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Write a rule to find the total cost C(a) for all the books a person buys through book express. Let a...