section4.2_homework_examples_large_ANSWERS

section4.2_homework_examples_large_ANSWERS - Business...

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Business Calculus First Application: Marginal Analysis PROBLEM 1 For the cost function, find the marginal cost at the given production level x . State the units of measurement. (All costs are in dollars.) ( ) ANSWER: The marginal cost at the production level x = 100 is ( ) dollars per item. PROBLEM 2 Find the marginal cost, marginal revenue, and marginal profit functions. ( ) ( ) ANSWERS: a) Marginal cost ( ) b) Marginal revenue ( ) c) Marginal profit ( ) d) Find all values of x for which the marginal profit is zero. Set ( ) . Solve for x. .
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Business Calculus First Application: Marginal Analysis PROBLEM 3 (a) The associated marginal cost is _______. CHECK ONE: increasing, then decreasing decreasing, then increasing always decreasing always increasing (b) The marginal cost is least at approximately___. CHECK ONE: x = 0 x = 50 x = 100 x = 150 (c) The cost of 50 items is _______. CHECK ONE: approximately $9, and increasing at a rate of about $1,350 per item approximately $1,350, and increasing at a rate of about $9 per item approximately $1.8, and increasing at a rate of about $1,350 per item approximately $1,350, and increasing at a rate of about $1.8 per item
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