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15 votes
15 votes
Mr. Mole left his burrow and started digging his way down.

A represents Mr. Mole's altitude relative to the ground (in meters) after t minutes.

A= -2.3t-7

How fast did Mr. Mole descend?

___ meters per minute

User Dagob
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1 Answer

21 votes
21 votes
2.3 meters per minute. -7 is the start of Mr. Mole’s descend and the slope is -2.3. Since it is looking for a measurement, however, it is positive.
User Mark Hanna
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3.0k points