Work all of the problems in this self-test without using a calculator. Then check your work by consulting the answers in the back of the book. Where weaknesses show up, use the reference that follows each answer to find the section in the test that provides the necessary review.
In Problems 7 and 8, perform the indicated operations and simplify.
8.
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Mylab Math with Pearson eText -- Standalone Access Card -- for Calculus for Business, Economics, Life Sciences, and Social Sciences (14th Edition)
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