12.use the information given to find the value of n in each of the following sets of numbers a. 3,1,4 5,4,n, : mode is 4
b. 1,7,2,1, n, 4,3: the modea are 1 and 2

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Adecibel is a logarithmic unit that can be used to measure the intensity of a sound. the function y = 10logx gives the intensity of a sound in decibels, where x is the ratio of the intensity of the sound to a reference intensity. the reference intensity is generally set at the threshold of hearing. use the graphing utility to graph the decibel function.a whisper has a sound intensity of 30 decibels. use your graph to you complete the following statement. the sound intensity of a whisper is times the reference intensity.