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A bottlenose dolphin is 10 feet below sea level. Then it begins to dive at a rate of 9 feet per second. What is the equation of the line that represents its elevation, y, after x seconds?

2 Answers

3 votes

Answer: -9x - 10

Explanation:

User WinBoss
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It's original elevation is -10. Diving at 9 feet per second is the same as a velocity of -9.

This means that the equation of the elevation y is y = -9x - 10
User Michael Innes
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