Students in a lab were given an unknown sample to find the density of. The volume of the unknown sample was 16.8 ml, the calculated mass of the unknown sample was 134.4. What is the density of the unknown sample? Note: You only have to fill in the numerical answer.

wavelength divides in half and speed stays the same.

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 .