Assume that you were given information that the points​ P(2, 4) was on the graph of a​ function, y.​ Therefore, the point​ Q, (___,​ ___) would be on the graph of​ y-1, the inverse function of y. Write at least three sentences to explain how you can identify the point Q. Explain how you would find the coordinates and be sure to include the actual coordinates of point Q.