OC userin Economics·18 Dec 201719) The range over which average variable cost is decreasing is the same as the range over which A) average product is decreasing. B) average product is increasing C) average fixed cost is decreasing D) marginal cost is increasing E) marginal product is decreasing.
OC userin Economics·18 Dec 201731) It is a disadvantage of that retained profits are taxed twice. It is a disadvantage of _ that bad decisions are not checked by the need for consensus. A) a corporation, both a partnership and a sole proprietorship B) both a partnership and a sole proprietorship; a partnership C) a corporation; a sole proprietorship D) a sole proprietorship; both a partnership and a sole proprietorship E) both a corporation and a partnership; a sole proprietorship
OC userin Economics·17 Dec 201724) Suppose John and Joe each have different production possibility frontiers; John specializes in cloth and Joe specializes in corn. John's island unexpectedly has exceptionally good weather, and suddenly he is twice as productive in the production of both corn and cloth. Select the best statement. A) There will be a change in what John and Joe specialize in, because John's opportunity cost of production will have risen. B) As a result, it is possible that John and Joe will switch what they specialize in. C) As a result, John will have an absolute advantage in both corn and cloth. D) This is an example of unemployed resources becoming employed. E) There will be no change in what John and Joe specialize in, because John's comparative advantage has not changed.
OC userin Economics·16 Dec 2017Clothing 14 Food 41) Suppose the economy is closed to trade and is operating at point E. The opportunity cost of food: A) cannot be determined B) is infinite since it is impossible to produce more food C) is greater than the opportunity cost of clothing D) is less than the opportunity cost of clothing E) is zero
OC userin Mathematics·18 Dec 20175. The function f(x) = 2x5 - 5x4 - 10x3 +6 has a local maximum at x =
OC userin Economics·16 Dec 20173) In general, if country A is accumulating capital at a faster rate than country B, then country A A) is using a larger proportion of resources to produce consumption goods. B) will soon have a comparative advantage in the production of most goods. C) will have a production possibilities frontier that is shifting out faster than country B'o. D) will have more unemployment than country B. E) will have a higher rate of inflation than country B.
OC userin Economics·17 Dec 201716. Assume consumers view cherries and apples as substitutes. If the price of cherries rises, the consumer will buy a fewer apples, thus increasing her marginal utility from apples. b. more apples, thus increasing her marginal utility from apples. c. less cherries, thus reducing her marginal utility from cherries. d. less cherries, thus increasing her marginal utility from cherries. e. b and c.
OC userin Economics·18 Dec 2017The figure below shows a family of cost curves for a firm. The subscripts 1, 2, and 3 for the SRATC curves refer to different plant sizes. LRAC SRATC3 SRATC2 SRATC Cost < D E 01 02 03 04 05 Output FIGURE 8-3 29) Refer to Figure 8-3. If this firm is producing at point B, then A) this firm is producing a level of output that is technically inefficient in the long run. B) this firm is experiencing decreasing returns to scale. C) this firm could produce the same level of output at a lower cost with plant size 2. D) it should employ more of its variable factors of production. E) plant size 1 is optimal.
OC userin Mathematics·18 Dec 20171. (10 marks/ The top and bottom margins of a poster are each 4 cm and the side margins are each 2 cm. If the area of printed material on the poster is fixed at 50 cm”, find the dimensions of the poster with the smallest area. Check that the value obtained is indeed a minimum.
OC userin Chemistry·19 Dec 201746. How much energy is contained in 1 mol of each? a. X-ray photons with a wavelength of 0.135 nm b. y-ray photons with a wavelength of 2.15 x 10-Snm
OC userin Calculus·17 Dec 201710. If f(x) is a continuous and strictly positive function on the interval [a, b], where a
OC userin Mathematics·17 Dec 20173 21. There are 3 white balls and 4 black balls in an urn. Balls are drawn from the urn at marks random, one by one without replacement, until a black ball is drawn. (a) Draw a probability tree which models this stochastic process. Be sure to put appro- priate probabilities on all branches. (b) What is the probability that eractly 3 balls will be drawn? DO NOT SIMPLIFY YOUR ANSWER.
OC userin Economics·18 Dec 201710) A turnip is an inferior good if A) an increase in income decreases the demand for turnips. B) turnips are considered to be substitues for potatoes. C) turnips violate the law of demand. D) an increase in income increases the demand for turnips. E) an increase in the price of a turip decreases the quantity of turnips that consumers want to buy.
OC userin Physics·18 Dec 2017Q8.3 When rain falls from the sky, what happens to its momen- tum as it hits the ground? Is your answer also valid for Newton's famous apple?