Use a Graphing Utility to Find the Equation of the Line

question 45

Multiple Choice

Use a graphing utility to find the equation of the line of best fit. Round to two decimal places, if necessary.
- $\begin{array}{l|lllll}\mathrm{x} & 1.2 & 1.4 & 1.6 & 1.8 & 2.0 \\\hline \mathrm{y} & 54 & 53 & 55 & 54 & 56\end{array}$

• A) \(y = 2.5 x + 50.4\)
• B) \(y = 3 x + 50\)
• C) \(y = 54\)
• D) \(\mathrm { y } = 55.3\)

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Definitions:

Variable Cost

Costs that vary directly with the level of production or business activity, such as materials and labor used in production.

Fixed Cost

Costs that do not change with the level of output or sales, such as rent, salaries, and insurance premiums.

Sample Space

The set of all possible outcomes or results in a probability experiment.