need help with this quadratic regression question

C. The vertical height of the ball can be modelled using quadratic regression. State the quadratic regression equation in the form y=ax +bx +c. Calculate the maximum vertical height of the ball. Round all answers to the nearest hundredth. (2 marks) [1.9, 14) (0.4, 8) [0, 2) . [3, 2] d. State and interpret the domain and range for the above ball's motion. (2 marks)