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Math Help - 2 questions.

  1. #1
    Member
    Joined
    Nov 2008
    Posts
    146

    2 questions.

    Hi

    alright problem #1

    If a question gives you the MC (marginal cost) function c'(q), and asks you to find the cost to increase production from a to b units, then is it simply c'(b) - c' (a)? or do we need to know the TC (Total cost) function for this?

    problem #2

    If and investment increases by 500% over a 15 year period under a constant periodic interest rate of r% monthly, the annual interest rate is approximately...

    a) 10.78 %
    b) 11.32 %
    c) 12.69 %
    d) 12.00 %

    Um, so here i am not sure whether this question is pertaining to interest compounded continuously or compound interest.
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  2. #2
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    Joined
    Oct 2008
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    I think for the second question, it's compound interest.
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