Make a scatter plot of the data below. x
y
25
150
50
178
75
216
100
265
125
323
150
392
175
470.4

Use the quadratic regression feature of a graphing calculator to find a quadratic model. Round to the nearest thousdandths place.
a.
y = 7.821 x squared minus 0.936 x minus 94.034
b.
y = negative 7.821 x squared + 0.936 x minus 94.034
c.
y = 0.008 x squared + 0.518 x + 131.886
d.
y = 0.008 x squared minus 0.518 x minus 131.886