Section 3.6 Functions 279 70. The following table shows the number of days that selected U.S. metropolitan areas failed to meet acceptable air-quality standards in 2008. (Source: http:// worldalmanac.com) Metropolitan Statistical Areas Number of Days Atlanta 4 Bakersfi eld 26 Baltimore 4 Detroit 1 Houston 2 Los Angeles 28 Memphis 1 New Orleans 0 New York 1 Orange County 1 Phoenix 84 Sacramento 20 Washington, DC 3 71. The mapping below shows the number of major professional championships earned by each professional golfer. (Source: http://worldalmanac.com) Walter agen 6 en ogan Ni Fal o a Ni laus rnol Palmer ar Pla er ene ara en am nea ee revino arr ar on om Watson iger Woo s 7 8 9 11 14 18 72. The results of the Indy Racing League (IRL) winners from 1996 to 2008 are shown in the mapping. (Source: http://worldalmanac.com) 1996 enn ra 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 u al ins ott i on ario Fran hitti am ornish r. on anaan u a ier reg Ra ott har on te art an Whel on 73. {(3, 9), (3, -14), (3, 4), (3, -2), (3, -8)} 74. {(9, 3), (-14, 3), (4, 3), (-2, 3), (-8, 3)} 75. {(1, 3), (-2, 7), (-2, 1), (0, 5), (4, 0)} 76. {(6, -3), (1, -3), (0, 11), (-5, 0), (2, 0)} 77. Assign to each student the grade earned in their chemistry class. le ra ere iane ar Pam han Walt F 78. Assign to each grade the student who earned the grade in a computer programming class. le ra ere iane ar Pam han F Walt 79. y = 7 80. x = 4 81. y = 1 2 x + 4 82. y=- 5 2 x + 1 83. 84. 4 2 2 4 –2 –4 –2 –4 x y 2 85. 86. 2 4 4 –2 –4 –2 –4 x y 2 2 4 4 6 –2 –2 –4 x y 2 2 4 –2 –4 –2 –4 –6 x y
hendricks_beginning_intermediate_algebra_1e_ch1_3
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