Use a Graphing Utility to Construct a Table of Values $$f ( x ) = 3 ^ { - x }$$

question 14

Multiple Choice

Use a graphing utility to construct a table of values for the function. Round your answer to two decimal places.
$$f ( x ) = 3 ^ { - x }$$

• A)
• \(\begin{array}{|c|c|c|c|c|c|}
• \hline x & -2 & -1 & 0 & 1 & 2 \\
• \hline f(x) & -9 & 3 & 1 & 0.33 & 0.11 \\
• \hline
• \end{array}\)
• B)
• \(\begin{array}{|c|c|c|c|c|c|}
• \hline x & -2 & -1 & 0 & 1 & 2 \\
• \hline f(x) & 9 & 3 & 1 & 0.33 & -0.11 \\
• \hline
• \end{array}\)
• C)
• \(\begin{array}{|c|c|c|c|c|c|}
• \hline x & -2 & -1 & 0 & 1 & 2 \\
• \hline f(x) & 9 & -3 & 1 & 0.33 & 0.11 \\
• \hline
• \end{array}\)
• D)
• \(\begin{array}{|c|c|c|c|c|c|}
• \hline x & -2 & -1 & 0 & 1 & 2 \\
• \hline f(x) & 9 & 3 & 1 & 0.33 & 0.11 \\
• \hline
• \end{array}\)
• E)
• \(\begin{array}{|c|c|c|c|c|c|}
• \hline x & -2 & -1 & 0 & 1 & 2 \\
• \hline f(x) & 9 & 3 & 1 & -0.33 & 0.11 \\
• \hline
• \end{array}\)

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Definitions:

Confidence Interval

A range of values, derived from sample statistics, that is likely to contain the value of an unknown population parameter with a certain degree of confidence.

Confidence Interval

A range of values, derived from the sample data, within which the population parameter is expected to lie, with a specified level of confidence.

Blood Donors

Individuals who voluntarily have their blood drawn for the purposes of transfusion, research, or donation.

Large-Sample Z

A statistical test used to infer the population mean from a sample mean when the sample size is large, typically using the Z-distribution.