Numerade

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Consider the following problem, which we will call the card sum problem. Suppose that we are given a set of cards H, each of which has a positive integer value, and a positive integer target C. Our goal is to find a subset of cards so that the sum of their values is as close as possible to C without exceeding C. (a) [1 mark] What is a feasible solution to the card sum problem? (b) [1 mark] What is an optimal solution to the card sum problem? (c) [2 marks] State the optimal substructure property for the card sum problem. You may not use the words “greedy choice”, “item”, “solution”, “feasible”, or “optimal” (“maximal” or “minimal” are fine).

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In an integrated world financial market, a financial crisis in a country can be quickly transmitted to other countries, causing a global crisis. What kind of measures would you propose to prevent the reacurrance of the financial crisis?

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Question 5 2 pts Some employers are reluctant to hire 50- to 60-year-old workers because of a generalized belief that they are prone to illness and will take too much time off. This is an example of ageism the graying of America a fiscally conservative decision racism

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Which of the following choices is an example of a protein? starch an enzyme fructose waxes

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Question 8 Aldosterone increases blood volume by: Decreasing the reabsorption of water Increasing the reabsorption of sodium ions which water follows Increasing the reabsorption of glucose Increasing the reabsorption of water 0.5 pts

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Let $\sqrt{4x + 5y} = xy + x$. Compute $\frac{dy}{dx}$ at $(4, 0)$.

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Economists say that all decisions have Opportunity Cost, which is an ___ cost.

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There are 4 Federal Districts in Texas. As discussed in class, San Antonio is in the District. There are 4 Federal Districts in Texas.As discussed in class.San Antonio is in the District.

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arie has a weekly budget of $60, which she likes to spend on magazines and pies. If the price of a magazine is $6 each, what is the maximum number of magazines she could buy in a week? If the price of a pie is $15, what is the maximum number of pies she could buy in a week? What is Marie’s opportunity cost of purchasing a pie (in terms of magazines)? At the start of the week, Marie decides to buy a pie. Does this imply that the utility she receives from this pie is greater than or less than her opportunity cost of purchasing the pie? Marie is thinking about purchasing a second pie. Do we expect the marginal utility she receives from the second pie to be greater than, less than, or equal to the marginal utility she receives from the first pie? Explain your answer.

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Texts: Truffles are a tasty fungus traditionally located by trained pigs. Suppose the production function for truffles is given by 𝑄=2𝐾^0.5𝐿^0.5, where L is the number of pig handlers, and K is the number of pigs. Let QA represent the isoquant closest to the origin and QB represent the isoquant furthest from the origin. a. The isoquants, QA and QB, should be labelled QA = and QB = , respectively. b. Suppose that an improvement in pig genetics results in technological change, so that now Q=4.5K^0.5L^0.5. As a result, the isoquants should be relabeled QA = and QB = . c. How does the technological change affect the cost of locating truffles? (Assume that wages and rents are constant.)

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eric d.