OC userin Mathematics·19 Dec 20172-- if x > 0 1. Let f(x) = log2(2), g(x) = sin (52) and h(z) = { -322 - 42 +1 if a so Evaluate the following: (a) (hof)(4)
OC userin Chemistry·18 Dec 2017Q14. A 20.0 g sample of an element contains 4.95 X 10% atoms. Identify the element. a) Cr b) c) Mgd) Fe
OC userin Mathematics·19 Dec 20175. The Infinite House of Pancakes (IHOP) offers 35 dif- ferent kinds of pancakes. You would like to order a stack of three pancakes. How many different choices do you have, considering that you care about the or- der in which the pancakes are stacked? (In other words, pecan/blueberry/pecan is a different choice from pecan/pecan/blueberry.) (a) P(35,3) (b) 75 (c) 35% (d) 335 (e) C(35,3) (f) none of the above
OC userin Economics·19 Dec 2017Question 12: The provincial sales tax is a tax on goods. Some people say that the GST, a tax on both goods and services, is a better tax. The following graph illustrates what would happen, if all provincial sales taxes were replaced with the provincial GST, for a consumer choosing Books and Haircuts (service). Here lo and I are the Indifference curves or the two products; BL are the budget lines. BL VE.COM 5 10 15 20 25 30 35 a) Label the x axis and y axis on the above graph. b) BLo represents the budget line for (GST or Provincial tax) c) How did the consumer choice of goods change with change in the tax structure? a. Consumption choice with Provincial Tax: haircut and books b. Consumption choice with GST: haircut and books d) In the above graph show the substitution and Income effect as a result of a change in relative prices. Explain how the consumption changed as a result of substitution effect and the income effect.
OC userin Economics·19 Dec 2017Supply Price of X - --- --/1_LI IT Demand Q1 02 03 04 05 Quantity of X FIGURE 3-3 26) Refer to Figure 3-3. At a price of P1 there would be excess supply equal to A) 0 B) Qi Q5 C) Q2 04 D) Q1 Q2 E) 04 05
OC userin Physics·18 Dec 201772. Magnesium has three naturally occurring isotopes with the fol- lowing masses and natural abundances: Isotope Mg-24 Mg-25 Mg-26 Mass (amu) 23.9850 24.9858 25.9826 Abundance (%) 78.99 10.00 11.01 Sketch the mass spectrum of magnesium.
OC userin Psychology·19 Dec 201716. Juan is experiencing a sleep disorder. For no reason at all, he suddenly falls into sleep whether it is day or night. If he is standing at the time, he falls down due to loss of muscle tone. EEG recordings indicate that he cycles directly into REM. Most likely, Juan is suffering from A) insomnia B) sleep apnea C) night terrors D) narcolepsy E) REM-sleep behaviour disorder
OC userin Physics·19 Dec 201725.3.A 5.00-A current runs through a 12-gauge copper wire (diameter 2.05 mm) and through a light bulb. Copper has 8.5 X 10 free electrons per cubic meter. (a) How many electrons pass through the light bulb each second? (b) What is the current density in the wire? (c) At what speed does a typical electron pass by any given point in the wire? (d) If you were to use wire of twice the diameter, which of the above answers would change? Would they increase or decrease?
OC userin Economics·19 Dec 201758) If, as shown in the diagram, the household still saves 350K when the interest rate increases to r' = 40%, then present consumption Cp is an) good and future consumption CF is a(n) good. A) normal; normal B) inferior, normal C) normal; inferior D) inferior; inferior E) inferior Giffen, inferior Giffen
OC userin Physics·18 Dec 20171.48 . For the two vectors A and B in Fig. E1.39, find (a) the scalar product A B; (b) the magnitude and direction of the vector product AXB.
OC userin Physics·18 Dec 201789. Calculate the mass, in grams, of each sample a. 1.1 x 102 gold atoms b. 2.82 x 10” helium atoms c. 1.8 x 1023 lead atoms d. 7.9 x 1021 uranium atoms
OC userin Computer Science·17 Dec 201712. What will the following print ? public class Test public static void main (String[] args) boolean bl = true; boolean b2 = false; boolean b3 = true; if ((bl && b2) || (b2 && b3) || b2) System.out.print("ok"); if ((bl && b2) || (b2 && b3) 11 (bl || b2)) System.out.println("dokey"); (A) No output is produced (B) ok (C) dokey (D) Compile-time error (E) ok dokey
OC userin Economics·17 Dec 201727) When economists say that a firm is a price taker they mean that A) the firm initially takes price as given and tries to influence it through advertising. B) the firm can alter its rate of production and sales without affecting the market price of the product. C) at the price prevailing in the market, the firm will be willing to sell an infinite quantity. D) the demand curve that the firm faces is perfectly inelastic. E) the firm can alter the market price as it changes its rate of production.
OC userin Economics·17 Dec 20176. You are told that the economy is producing efficiently and has chosen to produce and consume 2 units of X and 22.5 units of Y. At this point on the production possibilities frontier, you can use calculus to obtain the opportunity cost of X as: A) 1.4 C) 3.0 D) 4.8 E) 5.0 F) 5.8 H) 6.4 I) 7.2 J) none of the above B) 2.8