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Comparing ComparingFunctions Functions • How do we compare properties of two functions? • How do we estimate and compare rates of change? HoltMcDougal Algebra 2Algebra 2 Holt Comparing Functions Sketching Graphs of Functions Given Key Features. 1. The graph for the height of a diving bird above the water level, h(t), in feet after t seconds passes through the points (0, 5), (3, -1), and (5,15). Sketch a graph of the quadratic function that models the situation. Find the point that represents the minimum height of the bird. Use a graphing calculator to perform a quadratic regression on the data. Graph the equation and use the Minimum Feature to locate the minimum. y 2 x 8x 5 2 Holt McDougal Algebra 2 Minimum of 3 Occurs when x = 2 Comparing Functions Sketching Graphs of Functions Given Key Features. 2. The height of a model rocket after launch is tracked in the table. Find and graph a quadratic function that describes the data. Use a graphing calculator to perform a quadratic regression on the data. Graph the equation and use the Maximum Feature to locate the maximum. y 16 x 60 x 5 2 Holt McDougal Algebra 2 Maximum of 61.25 Occurs when x = 1.87 Comparing Functions Lesson 12.2 Practice B Holt McDougal Algebra 2