Which equation is a quadratic model for the data set?
Variable x 4, 8, 3, 10, 18, 14, 9
Variable y 15,59, 8, 104, 332, 200, 76
A)y=1.0774x² - 0.939x+0.6905
B)y= 21.2845x - 87.2538
C)y=0.8204x^20783
D)y 6.2740 (1.2760)^x