SOLUTION: The function F(T) = -5T^2 + 10T + 40 models the height of a rocket shot into the air from a platform, where is the height of the rocket from the ground, in metres, and t is the ti

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Question 1158978: The function F(T) = -5T^2 + 10T + 40 models the height of a rocket shot into the air from a platform, where
is the height of the rocket from the ground, in metres, and t is the time in seconds
a. when does the rocket land?
b. what is the maximum height the rocket reaches?
c. At what time(s) is the rocket 25m above the ground?

Answer by ikleyn(52778) About Me  (Show Source):
You can put this solution on YOUR website!
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A TWIN problem was solved to day at this link

https://www.algebra.com/algebra/homework/quadratic/Quadratic_Equations.faq.question.1158945.html

https://www.algebra.com/algebra/homework/quadratic/Quadratic_Equations.faq.question.1158945.html


Read it --- it is your TEMPLATE.


Having this TEMPLATE in front of you, solve your problem by the same way.
You only need to replace the numbers.


Enjoy (!)