Give the domain and the range of the function in the graph. The domain is ......

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Give the domain and the range of the function in the graph. The domain is ... (Type your answer in interval notation.) -10-8-6 The range is (Type your answer in interval notation.) 10- 8. = -4- X 6 8 10 Give the domain and the range of the function in the graph. The domain is ... (Type your answer in interval notation.) -10-8-6 The range is (Type your answer in interval notation.) 10- 8. = -4- X 6 8 10 The data given is the expected points for a football team with first down and 10 yards to go from various points on the field. In the given table, x stands for the number of yards from the goal and y stands for the expected points. (Note: x = 500, x = 33,250, y = 21.178, y = 95.726782, = 413.81.) X y X y 5 6.041 55 1.538 15 4.982 65 0.923 25 3.681 75 0.236 35 3.167 85 - 0.537 45 2.392 95 - 1.245 a. Calculate the coefficient of correlation. Does there appear to be a linear correlation? b. Find the equation of the least squares line. c. Use the answer from part (b) to predict the expected points when a team is at the 50-yd line. a. The coefficient of correlation r is (Do not round until the final answer. Then round to three decimal places as needed.) Does there appear to be a linear correlation? A. Yes, the data points show linear correlation. B. No, there is no linear correlation between the data points. b. The equation of the least squares line is Y = (Use integers or decimals for any numbers in the expression. Round to two decimal places as needed.) points. c. When a team is at the 50-yd line, the expected points will be (Type an integer or decimal rounded to two decimal places as needed.) The half-life of plutonium-241 is approximately 13 years. (a) How much of a sample weighing 6 g will remain after 70 years? (b) How much time is necessary for a sample weighing 6 g to decay to 0.1 g? (a) After 70 years, g will remain. (Do not round until the final answer. Then round to four decimal places as needed.) (b) The sample will decay to 0.1 g after years. (Do not round until the final answer. Then round to the nearest year.) Give the domain and the range of the function in the graph. The domain is ... (Type your answer in interval notation.) -10-8-6 The range is (Type your answer in interval notation.) 10- 8. = -4- X 6 8 10 Give the domain and the range of the function in the graph. The domain is ... (Type your answer in interval notation.) -10-8-6 The range is (Type your answer in interval notation.) 10- 8. = -4- X 6 8 10 The data given is the expected points for a football team with first down and 10 yards to go from various points on the field. In the given table, x stands for the number of yards from the goal and y stands for the expected points. (Note: x = 500, x = 33,250, y = 21.178, y = 95.726782, = 413.81.) X y X y 5 6.041 55 1.538 15 4.982 65 0.923 25 3.681 75 0.236 35 3.167 85 - 0.537 45 2.392 95 - 1.245 a. Calculate the coefficient of correlation. Does there appear to be a linear correlation? b. Find the equation of the least squares line. c. Use the answer from part (b) to predict the expected points when a team is at the 50-yd line. a. The coefficient of correlation r is (Do not round until the final answer. Then round to three decimal places as needed.) Does there appear to be a linear correlation? A. Yes, the data points show linear correlation. B. No, there is no linear correlation between the data points. b. The equation of the least squares line is Y = (Use integers or decimals for any numbers in the expression. Round to two decimal places as needed.) points. c. When a team is at the 50-yd line, the expected points will be (Type an integer or decimal rounded to two decimal places as needed.) The half-life of plutonium-241 is approximately 13 years. (a) How much of a sample weighing 6 g will remain after 70 years? (b) How much time is necessary for a sample weighing 6 g to decay to 0.1 g? (a) After 70 years, g will remain. (Do not round until the final answer. Then round to four decimal places as needed.) (b) The sample will decay to 0.1 g after years. (Do not round until the final answer. Then round to the nearest year.)