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1. During the championship soccer game, the goalkeeper, Brandon,
kicked the ball straight up to the Mid-Fielder, Alex, with an initial velocity of 32 feet per second. The height of the ball relative to the ground is a function of time given by the following equation:

Graph this function for these conditions:
a. t is greater than or equal to 0
b. t is less than 0

What is the maximum height reached by this soccer ball?

2. A manufacturing company uses the following function to model the unit cost in dollars to produce the x number of toys.

For what number of toys is the unit cost at its minimum? What is the unit cost at that level of production?

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A step by step solution is provided to word problems on quadratic functions.

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1. During the championship soccer game, the goalkeeper, Brandon,
kicked the ball straight up to the Mid-Fielder, Alex, with an initial velocity of 32 feet per second. The height of the ball relative to the ...

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• MPhil, Institute of Advanced Studies
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