example 5 use the result of example 3 to find the average rate of change of from 3 to 0 the average rate of change of from 3 to 0 is a 0 3 3 1 a difference quotient can also be used to define a function that allows us to determine the average rate of change
If you stop smoking at this point, the lungs are not damaged any further, though the damage that has already been done cannot be reversed. So, giving up smoking would be the first step towards controlling the progression of lung damage. Allergies too can affect the lungs and decrease its function.
Mild allergies are an inconvenience, but severe allergies can be life-threatening. Mild allergy symptoms may not be extreme, but they can affect the entire body. Mild symptoms include skin rash, hives, runny nose, itchy eyes, nausea, or stomach cramping. Severe allergy symptoms are more extreme. Swelling caused by the allergic reaction can spread to the throat and lungs, causing allergenic asthma or a serious condition known as anaphylaxis.