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Mathematics 8 Online
OpenStudy (anonymous):

Math help please? Will medal and fan! The table below shows the sales S (in millions of dollars) for jogging and running shows from 1998 to 2004. 1998 |1469 1999 | 1502 2000 | 1638 2001 | 1670 2002 | 1733 2003 | 1802 2004 | 1838 Use the regression feature of a graphing utility to find a quadratic model for the data with t = 8 corresponding to 1998. Which of the following functions best represents the data using a quadratic model? A/ f(x) = 64.36x + 1407.14 B. f(x) = 64.36x + 956.64 C. f(x) = -3.07x2 + 88.93x + 1370.29 D. f(x) = -3.07x2 + 131.93x + 597.29 Is the answer D?

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