Let g and h be the functions defined by g(x)=sin(π2(x+2))+3 and h(x)=−14x3−32x2−94x+3. If f is a function that satisfies g(x)≤f(x)≤h(x) for −2

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Which one ? is the answer and how to find this answer

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