The Following Chart Indicates the Reductions in Total Losses Due

question 70

Multiple Choice

The following chart indicates the reductions in total losses due to theft if a jewelry store hires additional security guards. $$\begin{array} { | c | c | } \hline \begin{array} { c } \text { Number } \\\text { of Guards }\end{array} & \begin{array} { c } \text { Dollar Value of } \\\text { Thefts Prevented }\end{array} \\\hline 1 & 150 \\2 & 240 \\3 & 310 \\4 & 360 \\5 & 400 \\6 & 430 \\\hline\end{array}$$ If the security guards can be hired for $45 per day, how many guards should the shop hire?

• A) 2.
• B) 3.
• C) 4.
• D) 5.

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Definitions:

Ketones

Organic compounds featuring a carbonyl group (C=O) bonded to two other carbon atoms, important in biochemistry and industry.

IR Stretching Frequencies

The specific frequencies at which molecular bonds absorb infrared radiation, causing the bonds to stretch, useful in identifying functional groups in molecules.

C-N Bond

A chemical bond between carbon and nitrogen atoms, common in organic compounds such as amines and amides.

IR Stretch

Infrared stretching refers to the vibration that occurs between atoms within molecules as they absorb infrared radiation, indicative of functional groups in a compound.