Select the non-linear function from the list of the following: Select one:

a.
x − 8y = 11

b.
8x + 11y = 7

c.
x 3 - xy = 7y 2

d.
11x + 7y = 8

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