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Use the Regression Feature of a Graphing Utility to Find

Question 4

Multiple Choice

Use the regression feature of a graphing utility to find a quadratic model for the data below.
xy27.3120114.8211.4322.8437.8\begin{array}{|r|c|}\hline x & y \\\hline-2 & -7.3 \\\hline-1 & -2 \\\hline 0 & -1 \\\hline 1 & -4.8 \\\hline 2 & -11.4 \\\hline 3 & -22.8 \\\hline 4 & -37.8 \\\hline\end{array}


A) y=1.91x21.21x1.57y = - 1.91 x ^ { 2 } - 1.21 x - 1.57
B) y=1.81x21.15x1.42y = - 1.81 x ^ { 2 } - 1.15 x - 1.42
C) y=2.21x21.04x1y = - 2.21 x ^ { 2 } - 1.04 x - 1
D) y=2.11x20.99x1.07y = - 2.11 x ^ { 2 } - 0.99 x - 1.07
E) y=2.01x21.1x1.28y = - 2.01 x ^ { 2 } - 1.1 x - 1.28

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