The parallel lines on top of each other confuse me, any ?

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%

For which pair of functions is (gof)(a)=|a|-2?

Manuela solved the equation below. what is the solution to manuela’s equation?