The table to the right shows the marriage and divorce rates per 1,000 population for selected years since 1960. Complete parts (A) and (B) below. T (A) Let x represent the number of years since 1960 and find a cubic regression polynomial for the marriage rate. y=0x³ + 0x² +0×+0. (Round to six decimal places as needed.) Marriages and Divorces (per 1,000 population) Date Marriages Divorces 1960 7.9 2.2 1970 11.3 11.3 3.5 1980 11.5 5.2 1990 8.8 4.7 2000 8.6 4.1 2010 6.4 3.6

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