Tek 8.4B

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• The car traveled 5 seconds per foot

• The car traveled 5 feet per second

• The car traveled 2.5 seconds per foot

• The car traveled 2.5 feet per second

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• In one week, the plant grows 125 mm so the slope of the line is $\frac{1}{125}$

• The plant grows 125 mm each week so the slope of the line is 125.

• The slope is one because the plant grows one mm each week

• not here

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• The height of the sand increases 50 cm per second

• The height of the sand increases 300 cm per second

• The height of the sand increases 1 cm per second

• The height of the sand increases 25 cm per second