The tables to the right show recent state income tax schedules for individuals and married couples. (A) Write a piecewise definition for the tax due T(x) on an income of x dollars for an individual. T(x) = { if 0 ≤ x ≤ 15,000; if 15,000 < x ≤ 30,000; if 30,000 < x. (Simplify your answers. Use integers or decimals for any numbers in the expressions.)