USA test prep expresssion equations and inequalities PLEASE HELP THIS IS DUE AT 11 TODAY

11. minitab software was used to find the lsrl for a study between x=age and y=days after arthroscopic shoulder surgery until an athlete could return to their sport. use the output to determine the prediction model and correlation between these two variables. predictor coef se coef t p constant -5.054 4.355 -1.16 0.279 age 0.2715 0.1427 1.9 0.094 r-sq = 31.16%

Credit card a offers an introductory apr of 3.4% for the first three months and standard apr of 15.7% thereafter,

Identify the initial amount a and the growth factor b in the exponential function. a(x)=680*4.3^x