Make a scatter plot of the data below.
Speed (mph)
Stopping distance (ft)
10
12.5
20
36.0
30
69.5
40
114.0
50
169.5
60
249.0
70
325.5

Using the quadratic regression equation
y=0.06x^2 + 0.31x+ 4
predict what your stopping distance would be if you were going 80 miles per hour.
a.
363.2 ft
b.
412.8 ft
c.
355.2 ft
d.
33.6 ft