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Notes 5.8B Quadratic Applications - Kenston School District

Notes 5.8B Quadratic Applications - Kenston School District

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EX #7:<br />

Sherman hit a fastball thrown by Austin.<br />

Let x be the distance on the ground in feet<br />

of the ball from home plate and h(x) be the<br />

height in feet of the ball at that distance.<br />

Suppose the path of the ball is described<br />

by the function:<br />

a. Define your variables:<br />

x = ____________<br />

y = ____________<br />

b. How far from the plate, along the ground, was the ball when it was<br />

again at the same height at which Sherman hit it?<br />

c. How far from the plate, along the ground, was the ball when it was<br />

100 feet high?<br />

d. The fence is 405 feet from home plate, and it is 12 feet high.<br />

Did the ball go over the fence? __________ Prove it.

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