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2014-10-06T15:10:25+08:00

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Some real situations that use the concept of quadratic function:
Example 1: Throwing a Ball
A ball is thrown straight up, from 3 m above the ground, with a velocity of 14 m/s. When does it hit the ground?
Example 2:River Cruise
A 3 hour river cruise goes 15 km upstream and then back again. The river has a current of 2 km an hour. What is the boat's speed and how long was the upstream journey?

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