For each of the characteristic function in Problems
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- Consider the data shown below. Enter this data into the calculator under STAT as L1 and L2. In the past, we have done Linear Regression and, more recently, Quadratic Regression. This time, we are going to try to fit a cubic polynomial to this data. Is it possible that a cubic function fits the data well? Let's find out. Use the data in the given table to fill in the missing coefficients. Use your calculator and use the CUBIC REGRESSION command on the STAT key (CubicReg). Round your answers to 3 decimal places. -4 . -576.24 -0.5 31.85 3 6.5 36.75 10 845.152 13.5 3133.305 17 7761.6 +. y = How well does the cubic polynomial function fit the data? Choose the best answer. OIt does not fit the data well at all. OThe cubic polynomial fits the data points very well because the value of R 2 is quite close to 1. OI drew the graph and it fits well, I think. OLet me ask my Dad; He knows everything. OI have no idea.arrow_forwardProblem 5 Find the domain and range of the following functions. 1. The function that assigns to each pair of positive integers the first integer of the pair. 2. The function that assigns to each positive integer the largest perfect square not exceding this integer. 3. The function that assigns to a bit string the number of ones minus the number of zeros in the string. 4. The function that assigns to each pair of positive integers the the minimum of these two integers. Solution:arrow_forwardA telephone company is asked to provide cable service to a customer whose house is located a = 4 km away from the road along which the cable lines run. The nearest cable box is located b = 5 km down the road as shown in the figure. Let b – x denote the distance from the box to the connection so that x is the distance from this point to the point on the road closest to the house. If the cost to connect the cable line is $400 per kilometer along the road and $600 per kilometer away from the road, where along the road from the point on the road closest to the house should the company connect the cable line so as to minimize construction cost? SO (Use decimal notation. Give your answer to three decimal places.) kmarrow_forward
- If 5(z + 1) = 3(z + 2) + 11 Solve for Z a. 2b. 4c. 6d. 12arrow_forwardQuestions 23 and 24 pertain to the following situation. From 2004 to 2013, the average salary, y, in thousands of dollars, for public school teachers for the year t can be modeled by the equation y = 33.374 + 9.162 In t, where t is the number of years since 2000 (i.e, t=4 represents 2004 and so on). 23. According to the model, what was the average salary for public school teachers in 2017? 24. According to the model, dùring which year did the average salary for public school teachers reach $50,000? 25 Sunnosaa counle has $125.000 in a retirement account which navs 6% comnounded continuouslv. D Focus O 55°F Clou lyp to 144 dele 8. 6. backs R T J K N prt scarrow_forwardPlease solve Q3.arrow_forward
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