Part 1: The following table gives data values for average U.S. math SAT scores as a function of household income. S(x) is the average math SAT score for a student whose household income is x thousand dollars per year. Numerically estimate lim S(x). Interpret what that limit means. x-+ +00 x, thousands of dollars 0 10 100 1,000 10,000 100,000 S(x), average math SAT score 440.23 456.1 537.4 572.95 572.99 573