There are 30 blue cubes in the box. b) What is the total number of cubes in the box?
(2)
Total marks: 4​

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%

If f(x)=3x+1 and f^-1=x-1/3, then f^-1(7)=

Which of the following is the result of expanding the series