Answer: Rachel's prediction is faster than the actual unit rate, and Theadore's prediction is slower.
notice that the denominator can be factored into (x-3)(x+3).
Now you can cross out (x - 3) from the numerator and denomiantor resulting in a simplified fraction of 
Plug the limit value (which is 3) into the simplified fraction.
Answer: 
Answer
Go to www.mathborl.com/middle for step by step.
Step-by-step explanation:
Answer:

Step-by-step explanation:

Using the formula above,
slope of line
