Write a function to model the data.

x −6 −5 −4 −3 −2
y −8 0 4 4 0

The circumference of a circle is 60 pi cm3what is the radius of the circle

Aman steps out of a plane at a height of 4,000m above the ground falls 2,000m very quickly and then opens his parachute and slowly falls the remaining 2000m to the ground what height above the ground would be the best choice for a reference point

Is this a polynomial function? i need to know asap