Exercises 3.5, page 106

  1. 1.  − 2.414 ,  0.414

  2. 3.

    A line rises through (0, negative 1) and (one-third, 0). The calculator window is, negative 3, 3 by negative 3, 3.
  3. 5.

    An upward opening parabola falls through (0, 0) to (2, negative 4), then rises through (4, 0). The calculator window is, negative 1, 6 by negative 5, 5.
  4. 7.

    A curve falls with decreasing steepness, inflects at (0, 6), then falls with increasing steepness. The calculator window is, negative 2, 2 by negative 2, 10.
  5. 9.

    A curve falls into quadrant 3, inflects near (0, negative 5), falls near (2, negative 6), then rises. The calculator window is, negative 2, 3 by negative 8, 8.
  6. 11.

    The graph is 2 curves. One falls from y = 2, approaching x = 2. Another falls from x = 2, approaching y = 2. The calculator window is, negative 2, 6 by negative 4, 8.
  7. 13.

    A curve begins at (negative 3, negative 3), rising through (0, 2). The calculator window is, negative 4, 3 by negative 4, 5.
  8. 15.

  9. 17.

  10. 19.  − 2.791 ,  1.791

  11. 21. 2.104

  12. 23. 4.321

  13. 25. ...

Get Basic Technical Mathematics, 11th Edition now with the O’Reilly learning platform.

O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.