Question #6402751Single Choice

Math

Question

The quadratic function above models the height above the ground h, in feet, of a projectile x seconds after it had been launched vertically. If

is graphed in the xy-plane, which of the following represents the real-life meaning of the positive x-intercept of the graph?

The initial height of the projectile

The maximum height of the projectile

The time at which the projectile reaches its maximum height

The time at which the projectile hits the ground

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