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Math Help - Implicit differentiation problem (I think?)

  1. #1
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    Implicit differentiation problem (I think?)

    Rewrite the statement in mathematical notation (Let n be the number of cases of Bangkok flu and t be time.)
    There are presently 350 cases of Bangkok flu, and the number is growing by 30 new cases every month.

    n =
    dn / dt =

    I'm not sure how to even start this really. 350 + 30n but where do I go from there? Any help appreciated.
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  2. #2
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    Let a_n be the number of cases in month n.

    a_0 = 350.
    a_{n+1} = a_n + 30.
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  3. #3
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    What's the actual question?
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