The data set represents a progression of hourly temperature measurements. Use a graphing calculator to determine the quadratic regression equation for this data set
O 1 2 3
5
у 20 16 10 0 -7 -20
X
4
ay-0.795x2 + 3 796% + 20.130
b. y -0.7957-3760% + 20.120
C. y -0.8757 -3.9962 + 20.179
dy-0.7957 - 3.7962 * 20.120