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tooturnt352 tooturnt352
  • 21-07-2015
  • Mathematics
Answered

Find the height, in feet, of the rock after 5 seconds in the air.

A rock is launched from a cannon. It’s height, h(x), can be represented by a quadratic function in terms of time, x, in seconds.

After 1 second, the rock is 129 feet in the air; after 2 seconds, it is 236 feet in the air.

Verified Answer :

Anonymous Anonymous
  • 31-07-2015

After 5 seconds the rock should be 425 feet in the air.

Workings are in the attachments below. Please read carefully.

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