The income of a small business for several years is given in the table below. Thousands of Year Dollars 2000 17.4 2001 59.8 2002 71.2 2003 71 2004 63.2 2005 60.2 2006 77.6 2007 115.4 a) Perform regression to find a cubic polynomial that fits the data. Use years since 2000 as your inputs x. p(z) docimal places

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