Precalculus Practice Exam

Part 4 Test 3 Time: 2 hours

  1. Given the equation, tex2html_wrap_inline76 find the following:

  2. Given that the point tex2html_wrap_inline78 is located on the terminal side of the angle t, find a point on the terminal side of the following angles:

  3. Write tex2html_wrap_inline90 as an algebraic expression in x.

  4. A man, standing on the top of a building that is 1,000 feet high, looks down with an angle of depression of 12 degrees, to the base of the building across the street. How far apart are the buildings?

  5. A total of $10,000 is invested for 10 years at 12% per year compounded continuously. How much interest will be earned during the 10 years?

  6. Solve for x in the inequality


  7. Assume that the population of a town in Texas is given by tex2html_wrap_inline114 , where t time is given in years and t=0 corresponds to the year 1900.

  8. Find all the zeros of tex2html_wrap_inline120 .

  9. Solve the following system of equations for tex2html_wrap_inline122 , and z:


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Tue Jun 24 22:20:38 MDT 1997

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