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grade 12 · CALC-004

Approximate accumulation

Multiply each rate by its interval width and sum the signed contributions.

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Try with a hintFresh problem · seed 1962503664

A rate is approximated as constant at \(2, 2, 7, 2\) over four consecutive intervals, each 3 units wide. What rectangular sum estimates the total accumulation?

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Each rectangle contributes height times width.

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