Answer:
Unit Rate of Change = 1.27%
Step-by-step explanation:
In 2000, t=1 and Total Music sales = 24.8%
In 2007, t=7 and Total Music sales = 32.4%
The Slope 
The Unit Rate of Change is 1.27% and it means that the Total Music Sales Increased by approximately 1.27% every year.
Answer:
the answer is b, 12
Step-by-step explanation:
16-4=12
Answer:

Step-by-step explanation:
First, you have to substitute both functions into the equation to get:

Then, you distribute the negative sign in front of g(x) to get:

And finally, you add/subtract the x's that have the same power to get:

Answer:
19.) 
20.) 
21.) 
22.) 
Step-by-step explanation:
Glad to help
--Chris Jackson [High School Junior: Calculus Senior Honor Student]