A mobile follows a parabolic trajectory, reaches a maximum height of 8 meters after 1 second and after 7 seconds it hits the ground. Determine the height of the trajectory of the mobile 3 seconds after starting the movement. A) 7.111m B) 6.667 m C) 11.025 m D) 7.667 m

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Maximization

Have you ever seen a bridge in the shape of a parabola? Where is its maximum on the bridge? The maximum of that bridge is the highest point on that bridge. The process of finding the maximum of the bridge here is called the maximization.