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5-147.

A function  is continuous over the interval and has values that are given in the table at right. Homework Help ✎

  1. Using the sub-intervals , and , what is the trapezoidal approximation of ?

  2. Over which sub-interval is the average slope a minimum?

    I.

    II.

    III.

Test all answer choices and choose the lowest value. Recall that average slope is akin to saying average rate of change (AROC).