Marianne has decided to track the number of books she reads to her little sister. The relationship between the weeks, w, and the total number of books that have been read, b, is shown in the table below.

Number of weeks Number of Books
0 2
1 6
2 10
3 14
4 18
Which of these correctly represents this situation?

A.
The independent variable is the number of books, the dependent variable is the number of weeks, and the equation is b = 2 + 4w.

B.
The independent variable is the number of the weeks, the dependent variable is the number of books, and the equation is b = 2 + 4w.

C.
The independent variable is the number of books, the dependent variable is the number of weeks, and the equation is 4+2b.

D.
The independent variable is the number of weeks, the dependent variable is the number of books, and the equation is 2 + 4b.