Find the constant rate of change.

2/11
11/2
-2/11
-11/2

The decibel level of sound is 50 db greater on a busy street than in a quiet room where the intensity of sound is watt/m2. the level of sound in the quiet room is db, and the intensity of sound in the busy street is watt/m2. use the formula , where is the sound level in decibels, i is the intensity of sound, and is the smallest sound intensity that can be heard by the human ear (roughly equal to watts/m2).

Use the function f(x) is graphed below. the graph of the function to find, f(6). -2 -1 1 2

Is a positive integer raised to a negative power always positive