The Average Speed of a Vehicle on a Stretch of Route

question 67

Multiple Choice

The average speed of a vehicle on a stretch of Route 134 between 6 a.m. and 11 a.m. on a typical weekday is approximated by the function where f(t) is measured in miles per hour and t is measured in hours, with corresponding to 6 a.m. Find the interval where f is decreasing and the interval where f is increasing.

• A) f is increasing on f is decreasing on
• B) f is increasing on f is decreasing on
• C) f is increasing on f is decreasing on
• D) f is increasing on f is decreasing on
• E) f is increasing on f is decreasing on

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Definitions:

Psychological Disorder

A mental or behavioral pattern that causes significant distress or impairment in personal functioning.

Correlation Coefficients

Statistical measures that describe the extent to which two variables change together, indicating the strength and direction of their relationship.

Weakest Degree

The minimum intensity or level at which a particular phenomenon or condition exists or is perceptible.

Random Sample

a sample that fairly represents a population because each member has an equal chance ofinclusion.