4. The axis of symmetry for the function f(0) = 22 +4.0 – 8 is a = -2. What are the coordinates of the vertex of the graph? a. (-20, -2)
b. (-12, -2)
c. (-2, -20)
d. (-2, -12)

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%

Two cyclists 84 miles apart start riding toward each other at the samen time. one cycles 2 times as fast as the other. if they meet 4 hours later what is the speed (in miles) of the faster cyclists

What is the factored form of the following expressions? d^2 – 13d + 36