Solved: A study of 900 working women in Texas showed that their feelings changed
Chapter 9, Problem 76(choose chapter or problem)
A study of 900 working women in Texas showed that their feelings changed throughout the day. As the graph indicates, the women felt better as time passed, except for a blip at lunchtime. 5 4 3 2 9 10 11 12 13 14 15 16 17 18 19 20 21 22 Average Level of Happiness Time of Day Average Level of Happiness at Different Times of Day 8 1 Noon 10P.M. Source: D. Kahneman et al., A Survey Method for Characterizing Daily Life Experience. Science, Vol. 306, No. 5702, Dec. 3, 2004, pp. 17761780. a. Does the graph have an inverse that is a function? Explain your answer. b. Identify two or more times of day when the average happiness level is 3. Express your answers as ordered pairs. c. Do the ordered pairs in part (b) indicate that the graph represents a one-to-one function? Explain your answer.
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