19. from two ships due east of a lighthouse and in line with its foot, the angles of
elevation of the top of the lighthouse are x and y, with x > y. the distance between the
ships is m. the distance from the lighthouse to the nearer ship is?

What are the domain and range of the function below? a) domain: (-4,0) range: [-2,infinity) b) domain: (-3,0) range: [-2,infinity) c) domain: (-infinity,infinity) range: [-2, infinity) d) domain: [-2,infinity) range: (-infinity,infinity)