Homework Assignments
Math 130       Spring 2015

• R.1: 1,2,7,11,21,23
• R.2: 1,5,6,21,31
• R.3: 2,4,7,13,14,27,29
• R.4: 1,5,729
• R.4: 21: give an exact solution using the quadratic formula (for the approximation to three places)
• R.4: 9,11 Solve the follwing both ways: by factoring and using the quadratic formula
• R.6: 1,3,5,9,13,15, 21,17,29,33,37,45
  
  
• 1.1:
  Math: 1,5,9,13,15,19,29,44, 45,51,59
  Life: 71abc, 73, 76-80, 86,87
• 1.3:
  Math: (see "Agreement on Domains" p.33) 17,21,33,34,57,59
  Life+: 72,73
  
  
• 2.1:
  Math: 3-11, 13, 15, 17, 25 , 29-32
  (for 29-32 get the correct point at x=0 and have the graph be correct for inc vs. dec and concave up vs. down)
  Life: 37,38, 45ab, 46abc, 47
• 2.2 Math: 5,7 - 35 odd; for 37, 39 translate to an expression involving only natural logs (no other base); 51,55, 65, 69
• 2.2 Life: 75, 76, 84, 86, 90
• 2.3 Math: 4,5
• 2.3 Life: 7, 8, 15, 21, 27
• 2.4 Math: 1,3, 9, 10, 11, 21-24; 25-31 (just do cos and sin); 33-51 odd; 63-64
• 2.4 Life: 77, 83
  
  
• 3.1 Math: 1-12, 17 (fill in the table; also factor the numerator to justify the answer); 19; 23-61 odd
  
• 3.1 Life: 89, 91, 92, 95, 96 (the constants E and a are positive numbers)
  
• 3.2 Math: 1-21,23,25,27; Life: 38,39, 44f,46abi
• 3.3 Math: 1,6,7, 15, 16; Life: 32,33,35,36
• 3.4 Math: 1abce,3,7,8,21,23,35-41; Life: 49,51,54
• 6.5 Math: 2,5,9; Life: 22-25
  
  
• 4.1 Math: 1,2,5,7, 9, 11, 17, 23,24,26,30,32,33,37,39,42,45; Life: 51,52,57,65
• 4.2 Math: 1,3,5,9,11,15,21,25,29,33 Life: 41,42,44,46,47
• 4.3 Math: 1; 7 (in 7, also determine whether f(g(x)) = g(f(x)) when x=0), 11; 15,19,20 (in 15, 19, 20 write y as a function of u, and u as a function of x); 21, 23, 27,32,35, 37, 43,44, 45,47,49 Life: 56-59, 61
• 4.4 Math: 1,2,6,7,13, 21, 23, 35, 39, Life: 40,41,43,47, 54, 56, 59, 61abc
• 4.5 Math: 1,2,5,7,9,17,23,25,27,33,37, 41,47,52 Life: 57 (for 57, can you give some lower and upper bound to the interval of temperatures for which the formula might be valid?), 61, 62 (for 62c, it is easier to differentiate the given formula for log y, and then solve the result for y'),63,65 (the first place award to a 1933 Japan earthquake is puzzling -- see the Wikipedia article -- do parts a,b also for the incredible 1960 Valdivia earthquake, magnitude 9.5)
• Sec. 4.6 Math: 1-25 odd, 27-29, 31,32 Life: 37, 39abcd
  
  
• Sec. 5.1 Math: 1,2,7-12,13, 15, 17,19,21, 29,31,37,38,39,42 Life: 51,53, 55,56,61,63
• Sec. 5.2 Math: 1,2,7-12, 13, 15,17,19,23,25,29,31,33,38 Life: 43,44,47,49
• Sec. 5.3: Math: 1,3,7,9,11,13,15,27,29-39,41,51,57-60,63,65,68,69,70 Life+: 78-80,85,91, 97,101
• Sec. 5.4: Math: 5,7,11,13,15,21,23,25 Life: 44, 45, 46, 47
  
  
• Sec. 6.1: Math: 10,11,13,15,17,21,25,27,29,33,37,39,42 Life: 47b,50 More: 51-53,54ab
• Sec. 6.2: 1,3,5,6,9,10,17,20,21,25,27,37,38,40,43,44
• Sec. 6.3: Math: 1-19 odd, 24,25,27,29,31,39,40,42 Life: 46ab,47,50
• Sec. 6.4: 1,11,12,13, 18,11,15,21,22,23,24,27,29,30,31,35,36
  
  
• Sec. 7.1: Math:1-47 odd Life: 47-51 More: 57,60,61,62
• Sec. 7.2: 3-57 odd Life: 61,63
• Sec. 7.3: 2,4,5abd,11abm13ab, 17a,18b,19, 31,32,34,38abd
• Sec. 7.4: 1-35 odd,49, 51, 39,41, 47, 53 Life: 63, 66, 68, 71, 75-77, 79,83
• Sec. 7.5: 1,7,9,19,25 Life: 31a,33,37
  
  
• Sec. 8.3: 1,7,9,15, 23!, 24, 25, 31, 34, 35 (Hint: what is the derivative of tan x ?), 38