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Joey throws a ball in the air. The graph shows the height of the ball on the y-axis and the time that the ball is in the air on the x-axis. The top of the graph is missing. After how many seconds does the ball reach the highest point?

 

 

A) 2 seconds

B) 4.25 seconds

C) 5 seconds

D) 28 seconds

E) 73 seconds

 Oct 2, 2019
 #1
avatar+19908 
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Since it is symmetrical parabola, the high point will be directly above the distance between the zeroes (approx   0 and 4)....   2 seconds (which you can actually SEE just by looking at the graph)

 Oct 2, 2019

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