Which of the following quadratic regression equations best fits the data shown below?
х
-4-3-2-10
1
2
3
4
y 56 30 15 3
4
8
20 44 60
O A. y= 5.02x2 + 3.66x+4.16
O B. y= 3.48x2 + 1.22x + 3.44
C. y= 1.68x2 + 1.06x + 4.96
O D. y= 2.06x2 + 0.18x + 2.18