Total personal income in the United States (in billions of dollars) for selected years from 1960 to 2002 is given in the following table. Source: Bureau of Economic Analysis, U.S. Department of Commerce These data can be modeled by an exponential function. Write the equation of this function, with x as the number of years past 1960. If it's necessary round your calculations to four decimal places. a. y=1.0635x2+4,791.6 b. y=434.2404e0.075x c. y20=1.0635(x4,791.6) d. y=1.077x+434.2403 e. y=4,791.6(1.0635)x