According to data from the U. S. Census Bureau for the period 2000-2007, the number of male students enrolled in high school in the U. S. is given by the polynomial ‐0.004x3+0.037x2+0.049x+8.11, where x is the number of years since 2000. The number of female students enrolled in high school in the U. S. is given by the polynomial ‐0.006x3+0.029x2+0.165x+7.67. Write a polynomial, in standard form, that represents the total number of students enrolled in high school in the United States.