Long before the Supreme Court decision legalizing marriage between people of the same sex, a substantial percentage of Americans were in favor of laws prohibiting interracial marriage. Since 1972, the General Social Survey has asked Do you think that there should be laws against marriages between negroes/blacks/African Americans and whites?

In 1972, 39.3% of the adult U.S. population was in favor of such laws. The bar graph shows the percentage of Americans in favor of legislation prohibiting interracial marriage for five selected years from 1993 through 2002, the last year the data were collected.

The formulamodels the percentage of Americans, p, in favor of laws prohibiting interracial marriage t years after 1993. If trends indicated by this model continue, in what year did the percentage favoring such legislation decrease to 7%?

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Percentage in Favor of Laws Prohibiting Interracial Marriage 20% 16% 12% 8% 4% Percentage of Americans in Favor of Laws Prohibiting Interracial Marriage 17.2 1993 13.8 1994 11.1 10.1 11 9.6 1998 2000 2002 Year