$\"\"$

The function values $\"\"$ .

So,the points are $\"\"$ .

The slope of two non vertical points $\"\"$ is $\"\"$ .

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

$\"\"$ (Simplify)

$\"\"$ (Simplify) $\"\"$

The point - slope form of line equation is $\"\"$ .

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

$\"\"$ (Simplify)

$\"\"$ (Subtract 8 from each side)

$\"\"$ (Simplify) $\"\"$

The linear function notation is $\"\"$ .