Days People 1 26
2 30
3 34
4 38
5 42
6 46

The chart shows how many people have signed up to go on a field trip each day. How many people would you expect to sign up on day 7?

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