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Tom has saved $390. He plans to spend $30 each month for music lessons. The function
s(t) = -30t + 390 describes his savings, s, in dollars as a function of the time, t, in months.

Tom has saved 390 He plans to spend 30 each month for music lessons The function st 30t 390 describes his savings s in dollars as a function of the time t in mo class=

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embrown29

Answer:

x is the months because that is the amount of time he has before he runs out of savings and y Is the savings because that is what he is calculating

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