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6-157.

, where represents calculator sales during the month of August and t represents the day of the month. In the context of the problem, write a complete description about what the integral is computing. Use correct units and be sure to mention the meaning of the bounds in your description. Homework Help ✎

Recall that definite integrals can be considered accumulation functions.
What does represent? What is being accumulated?

calculators were sold (accumulated) between August 1st and August 31st.