linear function and percentage

12) Calculate a linear regression equation and find the correlation coefficient 12) a. for each of the data sets below. Round your answers to 2 decimal places. a. Data set A X 1 3 4 5 8 9 10 y 337 891 1255 1825 1868 2003 2437 b. Data set B X 2 9 15 20 30 40 50 y -70.2 -120.1 -273.7 -308.9 -680.5 -743.8 -817.4 I c. Which linear regression equation is a better predictor of outcomes? Explain your answer below. Spring 2020 13) A population numbers 800,000 organisms initially and decreases by 7.5% a. each year. a. Write an exponential function for the population of the organisms. b. Predict the number of organisms after 4 years. Round your answer to the nearest whole number." 14) In 2014, Rose invested $20,000 in a savings account for her son. The 14) account pays 3.5% interest each year. Determine the total value of the account in the year 2029, when her son will go to college. Round your answer to the nearest cent