The height of a baseball hit from a bat is modeled by a quadratic function of time, h(t). What does the second coordinate of the vertex of the quadratic function represent?
the minimum height of the baseball
the time at which the baseball hits the ground
the time at which the baseball hits the maximum height
the maximum height of the baseball

Question

Mercury · Answer

thoughts?

as a major hint, the second coordinate is the output value, which is height.

at the vertex of a trajectory, do you think this is the minimum, or the maximum, height? think about what the path of the ball looks like.