Use a graphing calculator to plot the data and find the quadratic function of best fit.An engineer collects data showing the speed s of a given car model and its average miles per gallon M. Use a graphing calculator to plot the scatter diagram. What is the quadratic function of best fit?
A. M(s) = -6.309x2 + 0.720x + 5.142
B. M(s) = -0.631x2 + 0.720x + 5.142
C. M(s) = -0.0063x2 + 0.720x + 5.142
D. M(s) = 0.063x2 + 0.720x + 5.142
Answer: C
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A. 
, - 
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