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Use quadratic regression to find the equation of a
quadratic function that fits the given points.
SEE EXAMPLE 5
25. A fan threw a souvenir football from the top
of the bleachers. The table shows the height
of the football, in feet, above the ground
at various times, in seconds. If the football
was not touched by anyone on its way to
the ground, about how long did it take the
football to reach the ground after it was
thrown?
Time (s)
Height (ft)
0
10
0.2
0.4 0.6 0.8
11.76 12.24 11.44 9.36
1.0
6.0
