12. What is the equation of the following parabola? A y = 2(x + 1)2 - 4
B y = 3(x - 1)2 - 4
C y = 3(x + 1)2 - 4
Dy=2(x - 1)2 - 4

Select the correct answer. employee earnings per month($) 1 1,200 2 2,600 3 1,800 4 1,450 5 3,500 6 2,800 7 12,500 8 3,200 which measure of spread is best for the data in the table? a. range b. quartiles c. interquartile range d. mean absolute deviation