Step 1. Calculate the location of the hole.

Step 2. Factor as much of the expression in the function as possible. Divide out the terms that would reduce or cancel.

Step 3. Simplify the remaining part of the expression.

Step 4. Graph the ordered pair that represents the location of the hole with an open dot.

Step 5. Graph the remaining expression from step 3.

Directions: Please sketch a graph of the following function.

Step 1

This function has a hole at (-5,-46.03).

This example was already completed in a previous part of this review. Click to see a line by line working of this problem.

Step 2

Step 3

Steps 4 & 5

Directions: Please sketch a graph of the following functions.