Write the Word or Phrase That Best Completes Each Statement $m = - 0.05 x ^ { 2 } + 3.5 x - 49$

question 239

Multiple Choice

Write the word or phrase that best completes each statement or answers the question.
Provide the missing information.
-The gas mileage for a certain vehicle can be approximated by $m = - 0.05 x ^ { 2 } + 3.5 x - 49$ , where $x$ is the speed of the vehicle in mph. Determine the speed(s) at which the car gets $9 \mathrm { mpg }$ . Round to the nearest $m p h$ .

• A) \(23 \mathrm { mph }\) and \(47 \mathrm { mph }\)
• B) \(19 \mathrm { mph }\) and \(51 \mathrm { mph }\)
• C) \(27 \mathrm { mph }\) and \(43 \mathrm { mph }\)
• D) \(35 \mathrm { mph }\)

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Definitions:

Measure of Variability

is a statistical concept that quantifies the spread or dispersion of a set of data points.

Lowest Score

The minimum value or achievement recorded in a set of data or test results.

Highest Score

The top or maximum score achieved in a test, competition, or assessment, indicating the best performance among all participants.

Normal Curve

The normal curve, or bell curve, is a graphical representation of a normal distribution, showing how data points are dispersed or spread out across the mean.