The path of a ball tossed upward from a height of 4 feet is modeled by the graph shown. At which time is the ball at a height of 20 feet?
Path of a Ball
The horizontal axis of the graph is labeled Time (seconds) and runs from 0 to x with a mark labeled 5 in the middle of the axis and 4 unlabeled marks on either side of the 5. The vertical axis is labeled Height (feet) and runs from 0 to 30 with marks in increments of 2 with labels at marks for 10 and 20. A parabola has a vertex at (1.3, 29.5), meets the x-axes at (2.8, 0) and (0, 4)
CLEAR SUBMIT
t=212
sec
t=2
sec
t=114
sec
t=1
sec