10. A golf ball of mass 50 g is at rest on a tee. Then a golf club strikes it, providing the ball with an initial speed of 102 m/s. The club and ball were in contact for 0.81 ms. What is the average force that the club exerted on the ball?
O 4.9 KN
O 5.5 kN
O 7.1 kN
O 6.3 kN

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 .