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January 26, 2015

January 26, 2015

Posted by **Elli** on Sunday, December 18, 2011 at 2:18pm.

Do i sub in 500 metres for f(x)?

- Math -
**Steve**, Sunday, December 18, 2011 at 7:06pmYes, then solve for x.

That will tell you when the height is at 500m. There should be two values for x. Since the parabola opens up, f(x) will be less than 500 between those two values.

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