Do the following for the function given below. left parenthesis number of people in a room comma total number of different handshakes between two people right parenthesis a. Describe an appropriate domain and range for the function. b. Make a rough sketch of a graph of the function. c. Briefly discuss the validity of the graph as a model of the true function. Question content area bottom Part 1 a. Describe an appropriate domain and range for the function. A. The domain is the total number of different handshakes corresponding to the number of people in a room and the range is the number of people of interest comma say n equals 2 through n equals 10. B. The domain is the number of people of interest comma say n equals 2 through n equals 10 and the range is the total number of different handshakes corresponding to the number of people in a room. C. There is not enough information given in the problem statement to determine the domain and range. D. The domain and range are interchangeable