HW #1 - due Friday, January 18
pp. 55-56 #41, 45, 51, 55, 61, 63, 75, 77
p. 67 #47, 49, 51, 53
pp. 80-82 #1, 5, 11, 29, 33, 35, 45, 89
p. 90 #1, 3, 5, 7, 35, 37, 41
Graded problem: Graph the following functions carefully on the same piece of graph paper:
y=x2, y=(x+5)2, and y=2(x+5)2−4. Plot at least five specific points for each graph. (Click
here for graph paper, if needed.)
HW #2 - due Monday, February 4
pp. 101-103 #7, 9, 11, 45, 51, 75, 79
p. 123 #1, 5, 23, 27, 37, 45, 49
p. 141 #1, 3, 31, 33, 35, 37, 39
p. 149 #1, 3, 5, 19, 31
Graded problem: Use long division to show that x−3 divides x3−4x2
−3x+18, and then factor this trinomial completely. Use this factored form and a sign chart to solve the
inequality x3−4x2
−3x+18 ≥ 0.
HW #3 - due Wednesday, February 13
pp. 171-173 #15, 21, 49, 51, 65, 71, 75, 79
pp. 187-188 #17, 19, 21, 33, 37, 41, 81, 85
Graded problem: p. 188 #86. In addition to solving this inequality, graph the given rational function.
Be sure to show all intercepts and asymptotes.
HW #4 - due Friday, February 22
pp. 322-323 #1, 3, 5, 7, 13, 17, 29, 31, 35, 81, 83, 85, 87, 91
Graded problem: p. 323 #88. Follow up question: How much will her investment be worth after 20 years?
HW #5 - due Wednesday, March 13
pp. 333-334 #9, 11, 17, 23, 25, 31, 69, 73, 79, 93
pp. 343-344 #7, 11, 17, 35, 37, 43, 47
pp. 352-353 #3, 5, 15, 17, 19, 27, 29, 35, 37, 61, 65, 67
Graded problem: A population of 5 fruit flies grows exponentially to 100 flies in three weeks.
Approximately how many flies were there in two weeks? Assuming this rate of growth continues, how many weeks
will it take for the 5 flies to grow to 10,000?
HW #6 - due Friday, March 22
pp. 260-261 #9, 23, 25, 27, 33, 37, 39
pp. 298-300 # 5, 15 (there are two triangles to find here!), 19, 21, 45, 47, 53
Graded problem: p. 261 #43 (Hint: See Example 6 on p. 257 and/or Example 8 on p. 296.)
HW #7 - due Friday, April 5
pp. 206-207 #1, 3, 9, 11, 13, 15, 23, 25, 27, 41, 43, 45, 47, 55, 57, 59, 63, 65, 67, 69, 71, 73, 81, 83, 85
pp. 215-216 #3-35(odd), 73, 75, 77
p. 241 #3-27(odd)
pp. 250-251 #1-11(odd), 17-27(odd), 33-47(odd), 65, 67, 71
No graded problem this time!
HW #8 - due Monday, April 15
p. 272 #31, 33, 39, 41, 45, 47, 49, 51, 55, 67, 69
pp. 285-286 #7, 15, 17, 31, 39, 47, 49, 63, 65, 67, 69, 71, 75
Graded problem: p. 286 #101 (Hint: See Example 10 on pp. 283-284. Don't forget to convert the
given speed to ft/sec!)