Find answer is the given attachment
I think the domain and range are infinite

By the quadratic formula,

Then


Multiply numerator and denominator by the denominator's conjugate:

17 times evenly, all you have to do is divide 984 by 56 to get your answer.
Answer:
24 ft
Step-by-step explanation:
Hypotenuse = √9²+16²=√81+256=√400=20ft
the upper side of the stuff = 4 ft
total = 20+4=24