Determine whether the ordered pairs of numbers below represent a function. Write "F" if it is a function. Write "NF" if it is not a function. 1. {(-1, 1),(-3, 3), (0,0), (2, 2)} 2. {(-4,-3), (-2,-3), (-1,-3),(2, –3)} 3. {(5,-1), (2,0), (2,2), (5, 3)} 4. {(-3,3), (0,2), (1, 1) , (2, 0)} 5. {(-2,-5), (-2,-1),(-2,1),(-2, 3)} 6. {(0, 2), (1, 1), (2, 2),(4, 3)} 7. {(4, 2), (3,3),(2, 2), (0, 3)} 8. {(-1,-1),(-2,-2), (3,–1),(3, 2)} 9. {(2,-2), (0,-2),(-2,0),(1, –3)}

In west Texas, water is extremely important. The fllowing data represent pH levels in ground water fr a random smple of 102 west Texas wells. A pH and a pH above 7 is alkaline. Scanning the data, you can see that water in this region tends to be hard (alkaline). Too high a pH means the water is unus expensive treatment to make it usable.+ These data are also available for download at the Companion Sites for this text. For convenience, the data are p increasing order. x: pH of Ground Water in 102 West Texas Wells 7.0 7.0 7.0 7.0 7.0 7.0 7.0 7.0 7.1 7.1 7.1 7.1 7.1 7.1 7.1 |7.1 7.1 |7.1 7.2 | 7.2 7.2 | 7.2 |7.2 7.2 7.2 7.2 7.2 7.2 7.3 7.3 7.3 7.3 7.3 7.3 7.3 7.3

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Oudo HP TrueVision HD Student Portal | Main Log In LoudCloud Systems P Take a Test - James Strehl mathxl.com/Student/PlayerTest.aspx?lis_person_sourcedid%=Dlcs.Ims%3auser&inst_class_id%3D2414079&appproductid%3D3&basiclti_submit=Launch+Endpoint+with+BasicLTI+Data&tool_consumner_in Apps Student Portal CLA In-Text Citations: T... Style Guides - Citin... P math lab Course H... MAT-154-0501 James Stre Quiz: Topic 2 Quiz Time Rema This Question: 1 pt 2 of 16 (1 complete) Fit a regression line to the data shown in the chart, and find the coefficient of correlation for the line. Use the regression line to predict life expectancy in the year 2000, where x is the number of decades after 1900. 0 (1900) 2 (1920) life expectancy, y 48.1 years 50 4 years | 52.0 years | 53.2 years 54.2 years year, x 4 (1940) 6 (1960) 8 (1980) Choose the correct regression line below. O A. y = 48.58x + 0.750 B. y = 0.750x - 48 58 O C. y = 48.58 O D. y = 0.750x + 48 58 The coefficient of correlation is (Round to three…

Find the linearzation to appraximate (1.999)^3