H 7) For Nina's illness, her doctor gives her a prescription of 28 pills. She is supposed to take 4 pills
the first day and then 2 pills each following day. How
many days will she only be taking 2 pills?
write an equation then solve

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.