Precalculus Practice Exam

Part 2 Test 3 Time: 1 hour


  1. The height of a projectile shot vertically upward from the ground with an initial velocity of 128 feet per second is given by the formula tex2html_wrap_inline49 where t equals the time in seconds and h(t) equals the height above the ground at time t. What is the maximum height attained by the projectile?

  2. Find a polynomial function with real coefficients that has 3 and 1+i as zeros.

  3. Solve the following inequality for x:

    displaymath41

  4. Find all the real zeros of the polynomial

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  5. Given the function tex2html_wrap_inline59 where a, b, c, d, e and f are integers and a>0,

  6. Find all vertical and horizontal asymptotes for the graph of the following function and graph the function.

    displaymath43

  7. Find the partial fraction decomposition for

    displaymath44

  8. Find the quadratic function whose graph has its vertex at (-1,8) and passes through the point (1,-4).

  9. Sketch the graph of tex2html_wrap_inline81 , showing clearly all x-intercepts and y-intercepts.

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Mon Jun 30 12:07:44 MDT 1997

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