A child rolled a ball part way uphill. Then, the ball rolled back to the child. This table displays the distance between a ball and child d(t) after t seconds. The data can be modeled using a quadratic regression equation. Time (s) 0 0.5 1 1.5 2
Distance (ft.) 4 8.4 11.3 13.2 13.7
Based on the data, approximately how long does it take the ball to return to the child?

0 s

2.5 s

4.3 s

6.4 s