dy & Practice Assignment Gradebook ORION Downloadable eTextbook n Assignment PRI

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dy & Practice Assignment Gradebook ORION Downloadable eTextbook n Assignment PRINTER VERSION BACK Chapter 2, Section 2.1, Question 024 The distance, d, in meters from the shore, of a surfer riding a wave is given by d = 150-7t, where t is the number of seconds since she caught the wave. Identify the initial value and the rate of change, and explain their meanings in practical terms using units. The initial value is It represents The rate of change is on .It represents Click if you would like to Show Work for this question: Open Show Work 8 SHOW HINT LINK TO TEXT on Question Attempts: 0 of 3 used SAVE FOR LATER SUBMIT A on on

Explanation / Answer

The distance d ,in meters, from the shore, of a surfer riding a wave, is given by d = 150-7t where t is the number of seconds since the surfer caught the wave.

For the initial value, t = 0 so that d = 150 meters. It represents the distance, from the shore, of a surfer as she starts riding a wave.

The rate of change is dd/dt = -7. It represents the fact that the surfer is getting closer to the shore at the rate of 7 meters per second, once she starts riding a wave.

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