The graph shows how the volume of a gas sample changes as the temperature changes and the pressure remains constant.
Gas Sample
35
130
Volume of Gas (ML)
25
20
0
20
BO
40 60
Temperature (°C)
100

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