Precalculus Practice Exam

Part 3 Test 5 Time: 1 hour


  1. Let tex2html_wrap_inline92 .

  2. Answer the following:

  3. Find all the solutions of the system

    eqnarray44

  4. Suppose that $9500 is invested at 7.6% interest compounded monthly. How long will it take for the amount in the account to reach $20,000?

    Answer: It will take approximately 9 years and 10 months, or 9.8 years.


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Tue Jul 1 16:42:23 MDT 1997

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