Question: Hr: Unit 1B.4-HW Name: Homework: Graphing Calculator - Key Points and Quadratic Regression 1) Some harbor police departments have firefighting boats with water cannons. The

Hr: Unit 1B.4-HW Name: Homework: Graphing Calculator - Key Points and Quadratic Regression 1) Some harbor police departments have firefighting boats with water cannons. The boats used to fight fires that occur within the harbor. The function y = -0.0035x(x - 143.9) models the path of water shot by a water cannon where x is the horizontal distance (infeet) and y is the corresponding height (In feet). Round answers to the nearest hundredth. a) How far does the water cannon shoot? b) What is the maximum height the water reaches? 4718.1 + + c) Give the domain and range in context. d) When does the water reach a height of 20 ft? domain = 0 - 150 O

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