The functions y1 = 3x2 - 6 and y2 = 3x2 + 6 are graphed. How do their graphs differ? A)y1 is 6 units lower than y2.
B)y1 is 12 units lower than y2.
C)y1 is 12 units to the left of y1.
D)y1 and y2 are reflections in the x-axis.

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%

The sum of the speeds of two trains is 720.2 mph. if the speed of the first train is 7.8 mph faster than the second train, find the speeds of each.

What’s the range cuz i can’t find it?