The table of values represents a quadratic function. what is the the average rate of change for f(x) from x=−5 to x = 10 ? enter your answer in the box. x |      f(x) −10 |    184−5 | 390  | −6 5 |    4910 |    204

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.