Answer:
[0;52]-->[285;9645]
Step-by-step explanation:
Jeanette begins collecting Magic: the Gathering cards by buying a starter set of 285 cards on her birthday. Each week thereafter. Jeanette buys three booster packs of 15 cards each.
Jeanette begins collecting Magic: the Gathering cards by buying a starter set of 285 cards on her birthday. Each week thereafter. Jeanette buys three booster packs of 15 cards each.After four years (52 weeks in one year, so 52 x 4 = 208 weeks). her interest in the game wans, and she stops buying cards.
C(w)=285+3x15xW=285+45w
C: [0;52] c N ---> [285;9645] c N

