$\"\"$

The volume in the lungs during a five-second respiratory cycle is

$\"\"$ .

Where time $\"\"$ is in seconds.

The volume $\"\"$ is in liters.

Find the average volume of the air in the lungs during one cycle.

Average value of the function on $\"\"$ is defined as $\"\"$ .

The average volume of the air in the lungs during one cycle is $\"\"$ .

In this case $\"\"$ and $\"\"$ .

$\"\"$

$\"\"$ L.

The average volume of air in the lungs during one cycle is $\"\"$ L.

$\"\"$

The average volume of air in the lungs during one cycle is $\"\"$ L.