$\"\"$

Observe the graph:

The line passes through the points are $\"\"$ and $\"\"$ .

Find the rate of change.

$\"\"$ .

$\"\"$ (Formula for rate of change)

$\"\"$ (Substitute $\"\"$ and $\"\"$ )

$\"\"$ (Multiply)

$\"\"$ (Subtract: $\"\"$ )

Therefore, the rate of change of the graph is $\"\"$ .

$\"\"$

The rate of change of the graph is $\"\"$ .