Year x: 1 | 3 | 6 | 8
Number of Baseball Cards y: 146 | 336 | 621 | 811

Part A. Write a linear equation that could be used to determine the number of baseball cards in Suzanne's collection each year.
Part B. Based upon the equation you wrote for Part A, what is the meaning of the coefficient of x
in the context of the problem?
Explain how you determined your answer.