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Chapter 1 of 46

Can Change Happen in an Instant?

A speedometer reads 60 at a single instant — but speed needs two moments to measure. The paradox that forces a genuinely new idea: the limit.

Free11–15 min

By the end

Each chapter closes with capabilities, not topics. Watch for these.

01Explain why instantaneous rate of change requires a limiting process
02Read and write limit notation, including one-sided limits
03Estimate an instantaneous rate by shrinking the measuring interval