Numerade

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1. Multiple choice. Choose all correct statements. (40 points) The sign chart of f'(x) is given below. f'(x) - - - | + + | ND | - - - | - - -1 0 2 (A) f(x) has a local maximum at x=-1. (B) f(x) has a local maximum at x=0. (C) f(x) has a local minimum at x=2. (D) There is no local extrema at x=2. 2. Free response. The graph of f'(x) is given below. y -1 0 2 4 x y= f'(x) (A) Find the intervals on which f(x) is increasing. (20 points) (B) Find the intervals on which f(x) is decreasing. (20 points) (C) Find x values where f(x) has a local extrema. (10 points)

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There is weak evidence that suggests humans release pheromones to attract potential mates. Group of answer choices True False

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The most widely studied form of visual agnosia is A. color agnosia. B. prosopagnosia. C. object agnosia. D. name agnosia.

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What was Watson's plan for the improvement of society? Describe what were seen as its strengths and weakness? How well was it accepted within psychology and by the general public?

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Which state's environmental regulatory efforts helped in the development of the catalytic converter, tighter fuel caps, and computerized detectors all aimed at reducing tailpipe emissions? Washington California O New York Michigan

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Cash flows from (used for) operating activities: Net income (loss) Adjustments to reconcile net income (loss) to net cash flow from operating activities: Depreciation Loss on sale of land Changes in current operating assets and liabilities: Increase in accounts receivable Increase in inventories Decrease in prepaid expenses Decrease in accounts payable Net cash flow used for operating activities Cash flows from (used for) investing activities: 12,600 (66,960) (105,480) 5,760 (35,820) $ (169,600)

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21. Farm Co just paid its annual dividend of $0.32 per share. The dividends are expected to grow at 25 percent annually for the next 4 years and then level off to an annual growth rate of 3 percent indefinitely. What is the price of this stock today given a required return of 15 percent? a. 5.42 b. 7.54 c. 7.32 d. 6.03 22. J&J Inc paid an annual dividend of $2.5 a share last month. The company is planning on paying $2.90, $2.95, and $3.00 a share over the next three years, respectively. After that, the dividend will be constant at $4.00 per share per year. What is the market price of this stock if the market rate of return is 10 percent? a. 40.00 b. 41.56 c. 42.56 d. 37.38 23. New Coke Inc offers 7.5 percent coupon bonds with semiannual payments and a required return of 8.5 percent. The bonds mature in 15 years. What is the market price per bond if the face value is $1000 a. 929.42 b. 916.10 c. 816.48 d. 900.00 24. Ken Industries has bonds on the market making annual payments, with 25 years to maturity, a par value of $1,000, and a current price of $1,208.60. Required rate of return on the bond is 9.5%. What is the annual coupon or interest payment on the bond? a. 69.50 b. 100.00 c. 117.10 d. 95.00 25. Greenmart Inc. pays an annual dividend that increases by 2.5 percent per year, commands a market rate of return of 11 percent, and sells for $20 a share. What is the expected amount of the next dividend? a. 2.29 b. 2.50 c. 2.20 d. 1.70

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Question 6 (0.5 points) Place the following events in synaptic transmission at a cholinergic synapse in order: A - A postsynaptic potential is produced; B - Voltage gated calcium channels open and calcium enters the cell; C - ACh is released and diffuses across the axon terminal; D - A nerve signal arrives at an axon terminal; E - Ligand gated sodium channels open and sodium enters the cell. a) D, B, C, E, A b) D, B, E, A, C c) B, C, D, E, A d) B, D, C, A, E Question 7 (0.5 points) What is another name for the autonomic nervous system? a) Visceral sensory division b) Somatic sensory division c) Visceral motor division d) Somatic motor division e) Central nervous system

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3. (20%) For a system with the dynamics $y[n] = \frac{1}{4} \sum_{k=0}^{3} x[n-k]$, find out (a) (3%) The impulse response; (b) (5%) The DTFT of the impulse response; (c) (10%) Sketch the magnitude and phase responses of DTFT. (d) (2%) What is the group delay?

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The following circuit presents changes in the independent sources at t=0s and t= 2.45, assume steady state for the analysis of t<0. Is RL R3 L MM R2 R4 Vs Where the values of the circuit elements are: Vs [75u(t)+150u (t-2.4)]V Is R1 R2 R3 R4 L [ 15u(t)+ 30u (t-2.4)]A 48? 192? 48? 144? 18H 1. Find only $i_L(0)$, $i_L(1.45)$, $i_L(2.45)$

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peter b.