The vertex of the parabola below is at the point (-3, -5). which of the equations below could be the one for this parabola?
a. y = (x + 3)2 + 5
b. x = -3(y + 5)2
c. y = (x - 5)2 + 3
d. y = (x + 3)2 - 5

The customer price index(cpi), which measures the cost of a typical package of customer goods,was 208.8 in 2011 and 244.1 in 2016.let x=11 corresponding to the year 2011 an estimate to cpi into 2013 and 2014. assume that the data can be modeled by a straight line and the trend to continue idenfinitely.use data points to find such a line and then estimate the requested quantities