Question

40 POINTS PLATO

Monica built a remote-controlled, toy airplane for a science project. To test the plane, she launched it from the top of a building The plane traveled a horizontal distance of 50 feet before landing on the ground. A quadratic function which models the height of the plane, in feel, relative to the grouna, at a horizontal distance of x feet from the butiding is shown.


Since the domain represents_____ the airplane while it was in the air, the value of the domain should be restricted to the interval(____,____)



Space 1


A.the maximum height of


B.the horizontal distance covered by


C.all the heights in the trajectory of



Space 2


A.-10


B.125


C.negative infinity


D.0



Space 3


A.Infinity


B.50


C.125


D.225

Answer 1

1.) B.

the horizontal distance covered by

2.). D (0)

3.) A ( infinity )

Explanation:

1.) Since it is a quadratic function which models the height of the plane, in feet, relative to the ground, at a horizontal distance of x feet. Therefore,

The range = height

The domain = distance covered

2.) Since she launched it from the top of a building. That is, from a starting point, then domain = 0

3.) Since the plane traveled a horizontal distance of 50 feet before landing on the ground. This mean that it can travel further. Therefore the domain can be to infinity