Consider the data set shown in the table. x 0 1 2 3 4 5 6 7 8 9 10 y 1.5 2.2 2.7 2.6 3.5 3.8 4.0 3.4 3.2 2.9 2.8 Use numerals instead of words. Round your answers to the nearest hundredth. The quadratic equation that models the data in this table is .