Answer:
D.
Step-by-step explanation:
Total number of pages in a book=f(n)
Jason has already read pages=27
He plans to read pages of the book everyday=3
He takes times to complete reading the book=n days
He read pages in n days=3n
We have to find the function which represents the relationship between f(n) and n.
According to question information
This is required relation between f(n) and n.
Answer:D.