14. Earning a graduated commission as follows: 5.25% of the first $7,000 of sales : 6.75% on the next $10,000 : 7.25% on any
amount over $17,000. Calculate the total commission on $23,500
of total sales

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.