2. Find the demand function if it is known that 2021 units of the product are demanded by consumers when the price is $4 per unit and the marginal demand is given by
(10 Points)
1000
D (x) = - where x is the price per unit, in dollars.
x2

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