BD=7x-10 BC=4x-29 CD5x-9
1 answer:
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Answer:
The maximum height of the baseball is 9 feet
Step-by-step explanation:
we have
where
p(t) ----> baseball position above the ground in feet
t ----> the time in seconds
v_0 ----> is the initial velocity in ft/sec
p_0 ---> initial position above the ground
we have
substitute the given values
This is the equation of a vertical parabola open downward
The vertex represent a maximum
Convert the quadratic equation in vertex form
Factor -16 leading coefficient
Complete the square
Rewrite as perfect squares
The vertex is the point (0.5,9)
The maximum height of the baseball above the ground is the y-coordinate of the vertex
therefore
The maximum height of the baseball is 9 feet