Answer:
Beatz on demand
Step-by-step explanation:
Even though it starts at 25 for the fee it has a lower monthly rate cost then itunes. While iTunes charges 8.99 per month Beatz on demand only charges 5.99 a month
The formula of a slope:
We have the points (1, 4) and (1, -3). Substitute:
DIVISION BY ZERO!!!
Answer: The slope is undefined.
It's a vertical line x = 1.