KN1 + N²Y = -where k is a positive constant. What nitrogen level gives thebest yield?8. The measles pathogenesis functionf(t) = -t(t21)(t+1)is used in Section 5.1 to model the development of thedisease, where t is measured in days and f(t) represents thenumber of infected cells per milliliter of plasma. What is thepeak infection time for the measles virus?9. Consider the following problem: A farmer with 750 ft offencing wants to enclose a rectangular area and then divideit intowith

Answered: Image /qna-images/answer/12677611-c74e-4580-b409-8ddfcab20519.jpg

Answered: Y = KN 1 + N² where k is a positive…

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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i need part a, part b and part c
1 The frog population in a newly created conversation area can be predicted over time by the model 2500 p(t) = 50+ 25 +12 Where p represents the population size and tis the time in years since the opening of the conservation area. a) Find the average rate of change of the population of the first three years. b) Find the instantaneous rate of change in the population after 3 years
Analysis 3: Based on the design of the antennas, the Standard Absorption Rate (SAR) of RF power by the patient tissue is expected to be as follows: SAR(t) = v2t + e0.1t+2 where, t is time in seconds. 1. Formulate a mathematical model for the dosage of exposure, D(t). Hint: the dosage is the area under the SAR curve. 2. Plot the SAR function for the first 80 seconds.
4. At Wally Motors, an auto engineer, in testing a new engine on one of its new models, found that the efficiency e of the engine as a function of the speed s of the car was given by e = 0.768s – 0.00004s. Here e is measured in percent and s is measured in km/hr. What is the maximum efficiency of the engine?
6 Answer Question 27-30 based on the information given below: Y 14.3113 + 0.5711X₁ r² = ( ) ) (1.7721) n = 45 se = ( t (11.1688) ( ) RSS 17.8922; TSS = 170.4713 Where Y, is the Gross National Product ($, in billions) and X, is the money supply ($, in billions) 27. What is the standard error for the intercept (b,)? A. 3.2362 B. 1.2814 C. 0.3223 D. 0.0362 28. CONFIDENTIAL What is the t-statistics for the slope coefficient (b₂)? A. 3.2362 B. 1.2814 C. 0.3223 D. 0.0362 CONFIDENTIAL 29. 30. A. 0.8551 and ±0.9247 B. 0.8950 and +0.9461 5/10 C. 0.9488 and +0.9740 D. 0.9961 and ±0.9981 5/10 What is the coefficent of determination and coefficient of correlation for the regression model? BT22203 BT22203 A. Yes, because absolute value of t-statistics is larger than t-critical B. Yes, because absolute value of t-statistics is smaller than t-critical C. No, because absolute value of t-statistics is larger than t-critical D. No, because absolute value of t-statistics is smaller than t-critical At 5…
11. A person's lung capacity can be modeled by the function C(t) = 250sin( + 2450, where C(t) represents the volume in mL present in the lungs after t seconds. State the maximum value of this function over one full cycle, and explain what this value represents. Type your response here or upload a picture here
3.
10.Was your obtained t-value positive or negative? Would it matter either way? With your discussion group, tell my why a positive or negative value is not important when it comes to your obtained value

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