Answer:
A. 
B. The y intercept is 4.8
Step-by-step explanation:
Given

Solving (a): Write as a function.
To do this, we simply substitute f(n) for 
becomes

Open Bracket

Collect Like Terms


B. The y intercept.
To get the y intercept, we set n to 0
i.e



Hence, the y intercept is 4.8
Answer:
do u even still need the answer its been aweek since you asked it and it was due that same day
Step-by-step explanation:
Every 10 minutes of reading my book, I read 20 pages each. // part B you read 0.5 minutes per page
The answer would be 25
9 times 2 is 18 plus 7 is 25