$\"\"$

The average rate of change of $\"\"$ formula is $\"\"$ .

The average rate of change of $\"f$ from $\"\"$ to $\"\"$ .

Here $\"\"$ and $\"\"$ .

$\"fraction$ \ \

$\"\"$

Substitute $\"\"$ and $\"\"$ in $\"\"$ .

$\"\"$

$\"fraction$ .

The average rate of change of $\"\"$ is $\"\"$ .

$\"\"$

The average rate of change of $\"\"$ is $\"\"$ .