Question

The path of flight (trajectory) of a football thrown by a quarterback is described by the following function:
where y = vertical position of football relative to the ground (ft)
x = horizontal position of football relative to launch position (ft)
How high above the ground is the football as it leaves the quarterback's hand?
a. 0.002 ft
b. 0.7 ft
c. 7 ft
d. 7.7 ft

Answer

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