Concept explainers
You throw a bail straight up from a rooftop. The ball misses the rooftop on its way down and eventually strikes the ground. A mathematical model can be used to describe the relationship for the ball's height above the ground, y. after x seconds. Consider the following data:
x, seconds after the ball is thrown y, ball's height. in Teel, above the ground
1 224
3 176
4 104
a. Find the quadratic function
b. Use the function in part (a) to find the value for y when
Describe what this means.
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