DATA ANALYSIS: SNOWBOARDERS The tableshows the numbers of people (in millions) in
Chapter 7, Problem 114(choose chapter or problem)
DATA ANALYSIS: SNOWBOARDERS The tableshows the numbers of people (in millions) in theUnited States who participated in snowboarding inselected years from 2003 to 2007. (Source: NationalSporting Goods Association)(a) Use a system of equations to find the equation ofthe parabola that passes throughthe points. Let represent the year, withcorresponding to 2003. Solve the system usingmatrices.(b) Use a graphing utility to graph the parabola.(c) Use the equation in part (a) to estimate the numberof people who participated in snowboarding in2009. Does your answer seem reasonable? Explain.(d) Do you believe that the equation can be used foryears far beyond 2007? Explain.
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