Exercises 3.6, page 109

  1. 1.

    A curve begins at (January, 6), rises to (July, 31), then falls to (December, 7). Points for each month are plotted along the curve.
  2. 3.

    A curve begins at (3, 322), falls to (7, 209), then rises to (9, 230).
  3. 5.

    A curve begins at (0, 0.77), falls with increasing steepness to (6.0, 0.49), then falls with increasing steepness to (12.0, 17).
  4. 7.

    A curve begins at (4, 17.7), falling with decreasing steepness to (10, 7.3).
  5. 9. 132.1 ° C

  6. 11. 0.7 min

  7. 13.

    1. 1.5 mm

    2. 3.2 mm

  8. 15. 0.30 H

  9. 17. 7.2%

  10. 19.

    1. 3.4 ft

    2. 17 ft3 / s

    A curve begins at (0, 0), rising with decreasing steepness to approximately (12, 36).
  11. 21. 14 ft3 / s

  12. 23. 0.34

  13. 25. 76 m2

  14. 27. 130.3 ° C

  15. 29. 36 ft3 / s

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