Practice question: Find f(3) if12f(x) = x2 - 2:Solution: To evaluate f(3), we simply plug in the value of 3 for x in the expression:f(7) = 32.2 = 7.Find f(3)f'(3) represents the taking the first derivative of the expression and evaluating at x = 3:f'(x) = (2)3 (2-1) = (2)3f'(3) = (2)3 = 6Question: Find f(7) iff(x) = x2 + 7:f(7) :find f'(7)f'(7) = Practice question: Differentiate the following function:13y = 5x 3/2Solution: Using the power rule,dy/dx = y' = (3/2)(5x (3/2) - 1) = 15/10x 1/2 = 3/2x 1/2Question: Differentiate the given function:y= 2x4/3Instruction: enter each response as a fraction (i.e., 1/2, 3/4, 5/8, .)dy/dx= X

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ENGR.ECONOMIC ANALYSIS

14th Edition

ISBN:9780190931919

Author:NEWNAN

Publisher:NEWNAN

Chapter1: Making Economics Decisions

Section: Chapter Questions

Problem 1QTC

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Q4 Identify the Types of the following Functions: C = f(Q) = Q³ – 5Q² + 14Q + 50,. AR = f(Q) = 15 – Q, .. .
Determine the total area under the standard normal curve in parts (a) through (c) below. (a) Find the area under the normal curve to the left of z = - 1 plus the area under the normal curve to the right of z = 1. The combined area is 03173 (Round to four decimal places as needed.) (b) Find the area under the normal curve to the left of z = – 1.55 plus the area under the normal curve to the right of z=2.55. The combined area is (Round to four decimal places as needed.)
Consider the OLS estimator 3;. Under the Gauss-Markov assumptions, O the estimator is the best linear unbiased estimator. O the estimator is asymptotically normally distributed. O the estimator has the properties stated in the other three possible answers. O the estimator is consistent.
Use the method of cylindrical shells to find the volume V generated by rotating the region bounded by the curves about the given axis. y = cos(xx/2), y = 0, 0sxs 1 about the y-axis
C. Suppose your neighbor is a physics major who also races motorcycles, and she tells you that horsepower can be expressed in terms of the following equation: H = MDA/S where M=mass, D-distance, A=acceleration and S and H are as defined above. Based on this conversation with your neighbor, you decide to change the functional form of the relationship to include 1/H rather than H as an explanatory variable because that's the appropriate theoretical relationship between the two variables. Estimate the above equation, substituting 1/H for H. Which of the two models do you prefer and why?
Doubt: Calculations obtained from TC come from function TC = 80 + 3q + 2q2? For example, for q = 1, for me it is TC = 85, not 83 and so on. Please check it. Thanks
In a certain store, cashiers can serve 45 customers per hour on average. If a customers arrive at the store in a given hour, then the average number of customers C waiting in line can be modeled by the function x² C(x) = 2025 - 45x where x < 45. Answer the following questions with a graphing calculator. Round your answers to integers. 1) If 40 customers arrived in the store in the past hour, there are approximately 7 2) If there are 2 customers waiting in line, approximately customers waiting in line. customers arrived in the past hour.
Which of the following statements is true under the Gauss-Markov assumptions? a. Among a certain class of estimators, OLS estimators are best linear unbiased but are asymptotically inefficient. b. Among a certain class of estimators, OLS estimators are biased but asymptotically efficient. c. Among a certain class of estimators, OLS estimators are best linear unbiased and asymptotically efficient. d. The LM test is independent of the Gauss-Markov assumptions. O a. a O b. b О с. с O d. d
Please give me correct answer with full explanation and calculation otherwise i give multiple downvote Note:- Please avoid using ChatGPT and refrain from providing handwritten solutions; otherwise, I will definitely give a downvote. Also, be mindful of plagiarism. Answer completely and accurate answer. Rest assured, you will receive an upvote if the answer is accurate.
Derive the MU function from the following TU function: ?? = 200? − 25?2 + ?3

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