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joseph cook

joseph c.

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What is a hominin? Describe the two species that have the best claim to being the most ancient hominin. How old are the fossils? What specimens were discovered and how do the discoverers of each make the case that their discovery was the earliest hominin?

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During 2021, equipment with a book value of $56,000 and an original cost of $290,000 was sold at a loss of $6,200. How much cash did Anders receive from the sale of equipment? How much depreciation expense was recorded on equipment during 2021? What was the cost of new equipment purchased by Anders during 2021?

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2. The graph of *f* is given below. Use it to evaluate each limit, if it exists. (If a limit goes to +∞ or -∞, please write that as opposed to D.N.E.) 4 *f*(x) 3 *g*(x) 3 2 2 1 1 -4-3-2-11 1 2 3 4 -4-3-2-1/ 1 2 3 4 1 -2 -2 -3 -3 -4 -4 -5 -5 (a) (1 point) lim *f*(x) = 1 *x*→3- (b) (1 point) lim *f*(x) = 1 *x*→3+ (c) (1 point) lim *f*(x) = 1 *x*→-3 (d) (1 point) lim *f*(x) = 4 *x*→2- (e) (1 point) lim *f*(x) = 2 *x*→2+ (f) (1 point) lim *f*(x) = D.N.E. *x*→2 (g) (1 point) lim (*f*(x)*g*(x)) = -5 *x*→2 =1⋅(-5)=-5 (h) (1 point) lim (*f*(x) + *g*(x)) = *x*→2 *f*(x) = 2 *g*(x)=D. N. E = So, D.N. E. 3. (3 points) For the function *h*(x), sketch a graph of the corresponding derivative function. *h*(x) *h*'(x) -2 1 2 -2 2 3 Page 3

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Marginal resource cost is: Group of answer choices a firm's cost of hiring one group of inputs. the firm's demand curve for a productive resource. the change in a firm's total cost caused by hiring one more worker. determined by the marginal product schedule for an input.

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How does the R-squared metric benefit from simplicity in interpretation? ? It highlights the model's sensitivity to outliers. ? It directly measures the magnitude of the largest errors. ? It can be used to adjust predictions on new data. ? It quantifies the percentage of variance in the dependent variable explained by the model.

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Which of the following is most likely to result from a stronger dollar? A. U.S. goods exported aboard will cost less in foreign countries, and so foreigners will buy more of them. B. U.S. goods exported abroad will cost more in foreign countries, and so foreigners will buy fewer of them. C. U.S. goods exported aboard will cost more in foreign countries and so foreigners will buy more of them. D. Americans will purchase fewer foreign goods.

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If the aggregate consumption function is C = 250 + 0.75 imes YD, then the marginal propensity to save (MPS) is: 0. 0.25. 0.75. 1.25.

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1. Consider the simple linear regression model y = b_0 + b_1x + e with data vectors x = [1 2 3 4]$^T$ and y = [1 2 3 8]$^T$. Compute the following by hand (not using Python, though you are encouraged to check your answers using Python): (a) The OLS estimators $\hat{b}_0$ and $\hat{b}_1$. (b) The $R^2$ of the regression. (c) The 95% confidence interval for $b_1$ based on the estimator $\hat{b}_1$.

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SIMPLIFY THE BOOLEAN FUNCTION (A)SUM OF PRODUCTS FORM AND (B) PRODUCT OF SUMS FORM: F(A, B, C, D) = (0, 1, 2, 5, 8, 9, 10) ALSO SHOW: (a) K-MAP (b) LOGIC DIAGRAM (c) SIMLIFIED EXPRESSION

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In developing his economic theory, Keynes: a. Was concerned with how government might change aggregate supply in order to close a GDP gap. b. Explained how aggregate demand could fail to ensure full employment and might require government spending. c. Believed that short-run unemployment problems would self-correct in a capitalistic economy, like the United States'. d. Believed that interest rates had the strongest influence on consumption decisions. e. Focused his attention primarily on inflation. Suppose the population of a country is 1,500, and the labor force is 1,000, of which 100 are unemployed. Assume the natural rate of unemployment occurs at a 6% unemployment rate, and Potential GDP for this country is $300,000. Based on Okun's Law, please calculate this country's GDP Gap and Actual GDP. a. The GDP Gap = $12,000, and Actual GDP = $288,000. b. The GDP Gap = $24,000, and Actual GDP = $276,000. c. The GDP Gap = $24,000, and Actual GDP = $324,000. d. The GDP Gap = $30,000, and Actual GDP = $270,000. e. The GDP Gap = $60,000, and Actual GDP = $240,000.

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