Recent content by ghostskwid

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    Proof by Inference: Solving p-->s w/ Rules of Inference

    Thanks that, got the proof based on that info. :D
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    Graduate Can You Find a Counterexample to the Recursive Lucas and Fibonacci Relationship?

    Hi I am playing around with recursive definitions of Lucas and Fibonacci sequences: I came across a relationship L0 + L1 + L2 + L3 ... Ln = sum(i = 0, n) Li = Ln+2 -1; Sorry for the horrible notation, but could anyone provide a counter example using an inductive approach? I get the...
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    Proof by Inference: Solving p-->s w/ Rules of Inference

    Homework Statement Asked to either prove or make a counter example: p ----> q (q and r) ----> s r ------------------------------- p------> s Homework Equations The Attempt at a Solution I am having trouble making the step to the law of syllogism I know I need to solve...
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    Solving 2 Counting Problems: 9 Women, 6 Men & 25 Flags on 10 Poles

    Homework Statement 1. 9 women, 6 men are to be seated on a table with 15 seats, how many ways can you assign the seats if no two men are seated next to each other.? 2. How to place 25 unique flags on 10 numbered flagpole if order of the flags on a flagpole is relevant Homework...
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    Undergrad Kline Calculus Problems - Simple Derivatives and Marginal Cost

    I get 165 when calculating the marginal cost at $15 and 170 when calculating the cost of the 16th product ((C(16) - C (15))). Kline reports the answer as yes it will be. Could you explain your tex block. How do they differ? I thought the marginal cost was simply the derivative of the...
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    Undergrad Kline Calculus Problems - Simple Derivatives and Marginal Cost

    Thanks that helps. Why is the marginal cost at 15 the actual cost of unit 16? Also in the second problem could the marginal cost ever be negative?
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    Undergrad Kline Calculus Problems - Simple Derivatives and Marginal Cost

    I had questions on 2 Problems in the Text: 1. The total cost C of producing x units of some item is a function of x. Economists use the term marginal cost for the rate of change of C with respect to x. Suppose that: C = 5x^2 + 15x + 200 What is the marginal cost when x = 15? Would this...