$\"\"$

The function is $\"\"$ and the point is $\"\"$ .

Apply derivative on each side.

$\"\"$

Quotient rule of derivatives: $\"\"$ .

$\"\"$

$\"\"$ .

$\"\"$

Find the value of the derivative function at the point $\"\"$ .

$\"\"$

$\"\"$ .

$\"\"$

Graph :

Graph the function and the derivative function.

$\"\"$

Observe the graph.

The value of the derivative function at the point $\"\"$ is $\"\"$ .

$\"\"$

Derivative function is $\"\"$ .

The value of the derivative function at $\"\"$ is $\"\"$ .