17. A rocket is shot into the air. The height of the rocket is modelled by the function h(t) = -5t2 + 45t, where h(t) is the height in metres and t is the time in seconds. When will the rocket hit the ground? a. 4.5 seconds b. 9 seconds c. 5 seconds d. 45 seconds

17. A rocket is shot into the air. The height of the rocket is modelled by the function h(t) = -5t2 + 45t, where h(t) is the height in metres and t is the time in seconds. When will the rocket hit the ground? a. 4.5 seconds b. 9 seconds c. 5 seconds d. 45 seconds

Elementary Geometry for College Students

6th Edition

ISBN:9781285195698

Author:Daniel C. Alexander, Geralyn M. Koeberlein

Publisher:Daniel C. Alexander, Geralyn M. Koeberlein

Chapter8: Areas Of Polygons And Circles

Section8.5: More Area Relationships In The Circle

Problem 42E: A goat is tethered to a barn by a 12-ft chain. If the chain is connected to the barn at a point 6 ft...

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17. A rocket is shot into the air. The height of the rocket is modelled by the function h(t) = -5t2 + 45t,
where h(t) is the height in metres and t is the time in seconds. When will the rocket hit the ground?
24 points
d or create
a. 4.5 seconds
b. 9 seconds
Follow the 3 follo
1 Work out the qu
2 Enter your ans
reach the page on
kas Done
C. 5 seconds
d. 45 seconds

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