Question

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

Answer 1

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.