Use the Regression Feature of a Graphing Utility to Find

question 15

Multiple Choice

Use the regression feature of a graphing utility to find a quadratic model for the data below.
$\begin{array}{|r|c|}\hline \boldsymbol{x} & \boldsymbol{y} \\\hline-2 & 15.7 \\\hline-1 & 3.5 \\\hline 0 & -2.7 \\\hline 1 & -2.9 \\\hline 2 & 3.7 \\\hline 3 & 15.8 \\\hline 4 & 33.6 \\\hline\end{array}$

• A) \(y = 2.89 x ^ { 2 } - 3.35 x - 2.9\)
• B) \(y = 2.73 x ^ { 2 } - 3.2 x - 2.75\)
• C) \(y = 3.34 x ^ { 2 } - 2.9 x - 2.7\)
• D) \(y = 3.19 x ^ { 2 } - 2.74 x - 2.4\)
• E) \(y = 3.04 x ^ { 2 } - 3.05 x - 2.61\)

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Definitions:

Tariffs

Taxes imposed on imported goods, often used to protect domestic industries from foreign competition or to generate revenue.

Democratic Party

One of the two major contemporary political parties in the United States, traditionally associated with progressive and liberal policies.

National Convention

A large meeting of a political party to select candidates and decide on policy. It is typically held every four years in the lead-up to a presidential election.

1924

The year notable for events such as the passage of the Immigration Act of 1924 in the United States, which imposed strict immigration quotas.