Vanya collects vintage albums. Each storage unit holds 16 albums. She gave 3 albums to her cousin as a graduation present. Which function shows the relationship between y, the total number of albums she has remaining, and x, the number of storage units Vanya owns?
a.y = 16x
B.y = 16x + 3
C.y = 13x
D.y = 16x – 3