Which is a possible turning point for the continuous
function f(x)?

Plz me plz i need and plz delte this after answer

Monica build a remote control toy airplane for science project to test the plane she launched it from the top of a building the plane travel a horizontal distance of 50 feet before landing on the ground a quadratic function which models the height of the plane in feet relative to the ground at a horizontal distance of x feet from the building is shown

Lisa has three classes that each last 50 minutes. what is the total number of minutes of the three classes