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Average vs Instantaneous Change

Interval summaries vs local rates · BC Calculus · greeting

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Owl · Mock interview — Average vs Instantaneous Change. I ask; you answer.

Owl · Look at the ferry numbers on the board. What can you compute right now, and what information are you still missing for the "horn blow" question?

Larry’s gold answer — Show text to read it out loud.

Larry · gold answer · Average speed is (5.0 − 2.0) miles / 24 minutes = 0.125 mi/min, about 7.5 mph. That doesn't pin down the departure instant.

Owl: Look at the ferry numbers on the board. What can you compute right now, and what information are you still missing for the "horn blow" question?

You: —