$\text { Let } f ( x ) = \left\{ \begin{array} { l l } x ^ { 2 } + 5 , & x \neq 1 \\1 , & x = 1\end{array} \right.$

question 75

Multiple Choice

$\text { Let } f ( x ) = \left\{ \begin{array} { l l } x ^ { 2 } + 5 , & x \neq 1 \\1 , & x = 1\end{array} \right.$ Determine the following limit.m(Hint: Use the graph to calculate the limit.)
$\lim _ { x \rightarrow 1 } f ( x )$

• A) 6
• B) 25
• C) 1
• D) 5
• E) does not exist.

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Definitions:

Boiling Points

The temperature at which a substance transitions from the liquid phase to the gas phase under standard atmospheric pressure.

Retention Time

The time taken for a substance to travel through a chromatography column to the detector, a critical parameter for identifying substances in the mix.

Gas Chromatograph

An analytical instrument that measures the content of various components in a sample by separating and analyzing vapors.

Blank Sample

A sample without the analyte of interest, used as a control in analytical measurements.