Rational Functions
Sara is heading out to San Deigo on a road trip. The trip is 357.5 miles. The rational function $\displaystyle {T}{\left({r}\right)}=\frac{{357.5}}{{r}}$ gives the travel time (in hours) if Sara drives at an average speed of $\displaystyle {r}$ miles per hour.
Select a sentence to explain the significance of the vertical asymptote in this situation. Select an answer The trip is 357.5 miles. As the speed approaches 0, the travel time approaches 0. As the speed increases, the travel time approaches 0. As the speed increases, the travel time increases. As the speed approaches 0, the travel time increases.
Select a sentence to explain the significance of the horizontal asymptote in this situation. Select an answer As the speed approaches 0, the travel time approaches 0. As the speed increases, the travel time approaches 0. As the speed increases, the travel time increases. The trip is 357.5 miles. As the speed approaches 0, the travel time increases.

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