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2-168.

Checkpoint icon Write several sentences to explain to someone who just transferred into the class how to approximate the area under the curve y = x3 + 2x + 6 for −1 ≤ x ≤ 3. Don't actually find the area, just explain how you would calculate it. Homework Help ✎

Think about the steps and order you take to find the area under the curve.
It may be easier to make a list first of ideas. Then write in complete sentences.