Math - Physics Test Jean Monnet HS - Rocket, Matei
A fireworks rocket
A fireworks rocket is launched into the air.
Its height above the ground, in meters, after x seconds is modeled by the function .
Represent graphically the function f in the Cartesian coordinate system xOy.
1.
What is the height of the rocket after 1 second?
2.
What is the height of the rocket after 3 second?
3.
At what time does the rocket reach its maximum height?
4.
What is the maximum height reached by the rocket?
5.
After how many seconds does the rocket return to the ground?