4. Suppose that the weekly sales S (in thousands of units) t weeks after a new software has been200introduced are given by S=When will sales be greater than or equal to 8 thousand? +100units per week? (Use and interval table)

Given weekly sales S after t weeks when a new software has been introduced is given by S =…

Answered: 4. Suppose that the weekly sales S (in…

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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7. A table of values for the exponential function f is shown below. X f(x) 1 140,000 2 143,850 3 147,806 4 151,871 156,047 5 8. Which graph shows a function with a domain of all real numbers greater than 7? C B D 9. The population of a town is currently 9,000. The function p = 9,000 + 8t² can be used to estimate p, the populati of the town t years from now. Based on this function, which statement is true? A. The population of the town is increasing at a constant rate. B. The population of the town will reach 10,000 between 11 and 12 years from now. C. The population of the town will increase by 256 people two years from now. D. The population of the town will increase and then decrease. 10. The cost, C, of getting your car repaired is given by C = 75h + 90, where h is the number of hours in labor the mechanic works on your car, 75 is the cost per hour the mechanic charges, and 90 is the cost for the parts needed to repair your car. Identify the independent variable. A) 90 B) C C) h D)…
The graph shows the number of fatal automobile accidents in a certain state for various years. Estimate the total number of accidents in the 8-year period from 2000 to 2008 using rectangles of width 2 years. 8. 3763 4000 3500 2 3000 2500 2000 1500 1795 1000 500 2729 3407 Estimate the number of fatal accidents using left endpoints. 1034 2000 2006 2008 2004 Year 2002 Estimate the number of fatal accidents using right endpoints. Find the average between the estimations. Fatal collisions per year

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4. Suppose that the weekly sales S (in thousands of units) t weeks after a new software has been 200 introduced are given by S= When will sales be greater than or equal to 8 thousand ? +100 units per week? (Use and interval table)