I believe you're asking about the one-sided limit,

Recall the definition of absolute value:
•
if 
•
if 
Since we're approaching -4 from the left, we're effectively focusing on a domain of
or
. So, by the definition above, we have
. Then in the limit, we have

The answer is 7, 7 cds were purchased, hope this helps have a great day!
Answer:
396.8
Step-by-step explanation:
Multiply them to each other.
Answer:
27
Step-by-step explanation:
The answer is x=27