The Consumer Price Index (CPI), which measures the cost of a typical package of consumer goods, was 212.4 in 2011 and 231.5 in 2016. Let x=11 correspond to the year 2011 and estimate the CPI in 2014 and 2015. Assume that the data can be modeled by a straight line and that the trend continues indefinitely. Use two data points to find such a line and then estimate the requested quantities. In 2015, the CPI would be Question 6 1 pts The mean age of a woman in a certain country when her child is born can be approximated by the function f(x)=21x0.0548, where x=10 corresponds to the year 2010 . Estimate the mean age of the woman at the birth of her first child in the following years. The mean age of a woman at the birth of her first child in 2015 is Assume that the situation can be expressed as a linear cost function. Find the cost function. Fixed cost is $300;20 items cost $700 to produce. ONLY GIVE ME MARGINAL COST/SLOPE OF THE COST FUNCTION HERE Question 8 A cost function, C(x), is given below. Find the average cost per item when the required number of items are produced. C(x)=42x+1700,100 items What is the average cost per item