What is the average rate of change of the function over the interval x = 0 to x = 8? f(x)=2x−1/3x+5
Enter your answer, as a fraction, in the box.

The graph shows the decibel measure for sounds depending on how many times as intense they are as the threshold of sound. noise in a quiet room is 500 times as intense as the threshold of sound. what is the decibel measurement for the quiet room? 20 decibels28 decibels200 decibels280 decibels