Write the Statement as a Power Function Equation $t$ Varies Inversely as the Speed

question 286

Multiple Choice

Write the statement as a power function equation. Use k as the constant of variation.
-John kept track of the time it took him to drive to college from his home and the speed at which he drove. He found that the time $t$ varies inversely as the speed $r$ .

• A) \(\mathrm { r } = \mathrm { kt }\)
• B) \(t = \frac { k } { r }\)
• C) \(t = \frac { r } { k }\)
• D) \(t = k r\)

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