After Some Experimentation, You Have Observed the Following Data Concerning

question 2

Multiple Choice

After some experimentation, you have observed the following data concerning the relationship between marketing and sales. Use Excel's curve fitting method to find the best quadratic equation to model this relationship.
$\begin{array}{|l|l|l|l|l|l|}\hline \begin{array}{l}\text { Marketing } \\(\$) \end{array} & 100 & 110 & 120 & 130 & 140 \\\hline \begin{array}{l}\text { Sales } \\(\$ 100) \end{array} & 310 & 500 & 600 & 690 & 780 \\\hline\end{array}\begin{array}{r|r|r|r|r|r|}\hline \\150 & 160 & 170 & 180 & 190 & 200 \\\hline \\850 & 925 & 1,000 & 1,050 & 1,09 & 1,120 \\\hline\end{array}$

• A) ?0.055x2 + 24x ? 1516
• B) 0.055x2 + 24x ? 1516
• C) ?0.055x2 ? 24x ? 1516
• D) ?0.055x2 + 24x + 1516
• E) ?0.11x2 + 24x ? 1516

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Definitions:

Michael Acceptor

A compound that can accept an electron-rich nucleophile, often characterized by an electron-withdrawing group adjacent to a carbon-carbon double bond.

Michael Reaction

A conjugate 1,4-addition reaction of a carbon nucleophile to an α,β-unsaturated carbonyl compound.

α,β-unsaturated Carbonyl

An organic compound with a double bond between the alpha and beta carbon atoms adjacent to a carbonyl group, participating in various chemical reactions.

PhCOCH

A general formula shorthand for compounds where a benzene ring (indicated by Ph, standing for phenyl) is attached to a carbonyl group (CO) and an additional unspecified group (CH), leading to a variety of possible chemical structures.