A heavy man and a light man parachute together from a high-flying plane. The first man to attain zero acceleration will be the light man because: A. The lighter man will not have to fall for as long a time before the air resistance equals
his weight
B. The gravitational force on each man is the same.
C. Both men encounter the same amount of air resistance,

dang that balls went far

we have been given a quadratic function and we need to restrict the domain such that it becomes a one to one function.

we know that vertex of this quadratic function occurs at (5,2).

further, we know that range of this function is .

if we restrict the domain of this function to either or , it will become one to one function.

let us know find its inverse.

upon interchanging x and y, we get:

let us now solve this function for y.

hence, the inverse function would be if we restrict the domain of original function to and the inverse function would be if we restrict the domain to .