The given graph represents the probability that two people in the same room share a birthday as a function of the number of people in the room. Call the function f. 1- 0,9- 0.8- Complete parts a and b. 0.7 a 06- E 0.5- 습0.4- 0.3- 0.2- 0.1- 0- a. Explain whyf has an inverse that is a function. b. Describe in practical terms the meanings of y f(x) f(0.25), f 1(0.4), f(0.8). 10 20 30 40 50 60 Number of Persons a. Choose the correct answer below. O A. A horizontal line intersects the graph of f in more than one point. O B. No horizontal line intersects the graph of f in more than one point. b. Choose the correct description for f (0.25) below. O A. f-(0.25), or approximately 15, represents the number of people who would have to be in the room so that the probability of two sharing a birthday would be 0.25 O B. f(0.25), or approximately 15, represents the number of people who would have to be in the room so that the probability of two not sharing a birthday would be Choose the correct description for f(0.4) below. O A. f-(0.4), or approximately 20, represents the number of people who would have to be in the room so that the probability of two not sharing a birthday would be 0.4 O B. f-(0.4), or approximately 20, represents the number of people who would have to be in the room so that the probability of two sharing a birthday would be 0.4.

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