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 (that’s slang for relative maximum) at lunchtime.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.

Transcribed Image Text:

Average Level of Happiness 5 + 2 1 Average Level of Happiness at Different Times of Day AW Noon 10 P.M. 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 Time of Day