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.
How Allergies Work. Extreme allergic reactions may include difficulty breathing and anaphylactic shock. The exposure-reaction time can vary depending on your body (how well you handle the exposure) and the allergen you were exposed to. In a mild case, you may only have mild itching or swelling.