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8-42.

No calculator! Evaluate the integrals below. Homework Help ✎

  1. Before integrating, make a choice:
    Factor out or let

    Don't forget the absolute value!

  1. Notice the bounds. Is this function odd? If so, the area will be . If not, integrate.

  1. Factor before integrating.

  1. Use u-substitution. Should or?

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