Jake uses a slingshot to shoot a rock into the air from the bottom of a ravine. His friend times the flight of the rock from wh
 is 81 ft.
 SA
 81 ft
 Part A. Create a graph to represent the scenario. The graph should include at least the x- and y-intercepts and the vertex.
 function, and appropriate domain/range.)
 Part B. Write a function to model the scenario.