A dog was west of his home for a short time and returns home then runs past it in the other direction (east). The graph shows his position as a function of time.
How long did the dog stop at his home before running again?
O 2 second
O 3 seconds
O 5 seconds
O 11 seconds

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.