1. A train moves 10 m/s to the right. A passenger on the train moves 3 m/s to the right. According
to a man standing on the ground, how fast and in what direction is the passenger on the train
moving?

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 .

inverse v=i*r

nice nice

conduct current i mean it makes sense