The time at which the stick will hit the ground is 2.23 seconds
What is a Function ?
A function is a mathematical statement used to relate a dependent and an independent variable.
The function is
h = - 16t² +80
h is the stick's approximate height h above the ground, in feet, after t seconds.
The stick will hit the ground when h = 0
0 = - 16t² +80
16t² = 80
t = 5
t = 2.23 seconds
Therefore the time at which the stick will hit the ground is 2.23 seconds.
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