Every day a new puzzle is downloaded into Ken's account.  Right now, there are 18 puzzles in his account.  The function P(d)=18+dP(d)=18+d represents the relation between the number of puzzles, PP , and the time, dd , measured in days. a)  State the independent variable:   b)  State the dependent variable:   c)  Find P(27)=P(27)=  d)  Explain the statement in part c) means in the problem's context. After  Select an answer puzzles in Ken's account days  , there are  Select an answer puzzles in Ken's account days  .

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