Math 3 Changes for 2007-2008

02#08 changed "Giza" to "Gizeh" and "15 feet" to "14 feet".
06#11 changes places with 06#12.
07#03 now makes reference to the altitude that goes through the swamp.
08#08 moved the inequality to the bottom of the page.
12#02 changed "p" to "w".
12#03 changed "p" to "w".
12#08 changed "S" to "P".
13#03 changed the Ioka's ticket prices.
13#05 the triangle is now provided with labels.
15#06 moved the definition of "vector projection" from 18#04 to here.
16#04 reduced magnitude of the dilation in part a.
16#05 made changes corresponding to preceding item.
17#07 added "on its axis" to part (b).
18#04 changed the vectors; also see 15#06.
21#05 moved to the bottom of the page.
22#06 switched matrix entries b and c in part c.
24#01 is new; serves as introduction to the theoretical calculation.
35#03 now asks for evidence of a nonlinear function.
58#03 imposed no-calculator rule.
58#07 added part d.
60#10 rewrote question using "between".
65#03 added the word "ratios".
65#07 added "blank"; new diagram shows the first two steps.
73#02 replaced "powerful" by "intense" in part a.
73#08 now has introductory parts and a new interest rate.
75#10 formerly 73#08.
79#06 added another hint.
82#10 new question to practice hyperbola graphing and a-b-c lore.
83#01 formerly 82#13.
85#03 instructions are now more detailed.
96#05 put "present value" into italics.


fixed answers to 07#04 and 21#06.
in the reference section:
  for nautical mile, changed "great circle" to "meridian";
  added a diagram for Snell's Law.