{"id":1365,"date":"2019-06-18T18:51:43","date_gmt":"2019-06-18T22:51:43","guid":{"rendered":"https:\/\/pressbooks.bccampus.ca\/intermediatealgebrakpu\/?post_type=back-matter&p=1365"},"modified":"2020-01-04T15:42:14","modified_gmt":"2020-01-04T20:42:14","slug":"answer-key-4-2","status":"publish","type":"back-matter","link":"https:\/\/pressbooks.bccampus.ca\/intermediatealgebrakpu\/back-matter\/answer-key-4-2\/","title":{"raw":"Answer Key 4.2","rendered":"Answer Key 4.2"},"content":{"raw":"[latexpage]\r\n
    \r\n \t
  1. \\(\\begin{array}{rrrrrrrr}\r\n\\\\ \\\\\r\n(3)&(\\dfrac{n}{3}&<&3)&\\text{or}&\\dfrac{-5n}{-5}&<&\\dfrac{-10}{-5} \\\\ \\\\\r\n&n&<&9&\\text{or}&n&>&2\r\n\\end{array}\\)\\(\\text{Interval notation: } (-\\infty, \\infty)\\)\u00a0\u00a0\"Number<\/li>\r\n \t
  2. \\(\\begin{array}{rrrrrrrrr}\r\n\\\\ \\\\\r\n\\dfrac{6m}{6}&\\ge & \\dfrac{-24}{6}& \\text{or}&m&-&7&<&-12 \\\\\r\n&&&&&+&7&<&+7 \\\\\r\n\\midrule\r\nm&\\ge & -4& \\text{or}&&&m&<&-5\r\n\\end{array}\\)\\(\\text{Interval notation: } (-\\infty, -5) \\cup [-4, \\infty)\\)\u00a0\u00a0\"Numberline<\/li>\r\n \t
  3. \\(\\begin{array}{rrrrrrrrr}\r\n\\\\ \\\\\r\nx&+&7& \\ge& 12& \\text{or}& \\dfrac{9x}{9}&<&\\dfrac{-45}{9} \\\\\r\n&-&7&&-7&&&& \\\\\r\n\\midrule\r\n&&x& \\ge&5& \\text{or}&x&<&-5\r\n\\end{array}\\)\\(\\text{Interval notation: } (-\\infty, -5) \\cup [5, \\infty)\\)\u00a0\"Numberline<\/li>\r\n \t
  4. \\(\\begin{array}{rrrrrrrrr}\r\n\\\\ \\\\\r\n\\dfrac{10r}{10}&>&\\dfrac{0}{10}&\\text{or}&r&-&5&<&-12 \\\\\r\n&&&&&+&5&&+5 \\\\\r\n\\midrule\r\nr&>&0&\\text{or}&&&r&<&-7 \\\\\r\n\\end{array}\\)\\(\\text{Interval notation: } (-\\infty, -7) \\cup (0, \\infty)\\)\u00a0\u00a0\"Number<\/li>\r\n \t
  5. \\(\\begin{array}{rrrrrrrrr}\r\n\\\\ \\\\\r\nx&-&6&<&-13&\\text{or}&\\dfrac{6x}{6}&<&\\dfrac{-60}{6} \\\\\r\n&+&6&&+6&&&& \\\\\r\n\\midrule\r\n&&x&<&-7&&x&<&-10 \\\\\r\n\\end{array}\\)\\(\\text{Interval notation: } (-\\infty, -7)\\)\u00a0\"Numberline<\/li>\r\n \t
  6. \\(\\begin{array}{rrrrrrrrr}\r\n\\\\ \\\\\r\n9&+&n&<&2&\\text{or}&\\dfrac{5n}{5}&>&\\dfrac{40}{5} \\\\\r\n-9&&&&-9&&&& \\\\\r\n\\midrule\r\n&&n&<&-7&\\text{or}&n&>&8 \\\\\r\n\\end{array}\\)\\(\\text{Interval notation: } (-\\infty, -7)\\cup (8, \\infty)\\)\u00a0\"Numberline<\/li>\r\n \t
  7. \\(\\begin{array}{rrrrcrrrrr}\r\n\\\\ \\\\\r\n(8)&(\\dfrac{v}{8}&>&-1)&\\text{and}&v&-&2&<&1 \\\\\r\n&&&&&&+&2&&+2 \\\\\r\n\\midrule\r\n&v&>&-8&\\text{and}&&&v&<&3 \\\\ \\\\\r\n&&-8&<&v&<&3&&&\r\n\\end{array}\\)\\(\\text{Interval notation: } \\((-8, 3)\\)\u00a0\"Numberline<\/li>\r\n \t
  8. \\(\\begin{array}{rrrcrrrr}\r\n\\\\ \\\\ \\\\\r\n\\dfrac{-9x}{-9}&<&\\dfrac{63}{-9}&\\text{and}&(\\dfrac{x}{4}&<&1)&(4) \\\\ \\\\\r\nx&>&-7&\\text{and}&x&<&4& \\\\ \\\\\r\n&-7&<&x&<&4&&\r\n\\end{array}\\)\\(\\text{Interval notation: } (-7, 4)\\)\u00a0\u00a0\"Numberline<\/li>\r\n \t
  9. \\(\\begin{array}{rrrrrrrrr}\r\n\\\\ \\\\\r\n-8&+&b&<&-3&\\text{and}&\\dfrac{4b}{4}&<&\\dfrac{20}{4} \\\\\r\n+8&&&&+8&&&& \\\\\r\n\\midrule\r\n&&b&<&5&&b&<&5 \\\\\r\n\\end{array}\\)\\(\\text{Interval notation: } (-\\infty, 5)\\)\u00a0\"Numberline<\/li>\r\n \t
  10. \\(\\begin{array}{rrrcrrrr}\r\n\\\\ \\\\ \\\\ \\\\\r\n\\dfrac{-6n}{-6}&<&\\dfrac{12}{-6}&\\text{and}&(\\dfrac{n}{3}&<&2)&(3) \\\\ \\\\\r\nn&>&-2&\\text{and}&n&<&6& \\\\ \\\\\r\n&-2&<&n&<&6&&\r\n\\end{array}\\)\\(\\text{Interval notation: } (-2, 6)\\)\u00a0\"Numberline<\/li>\r\n \t
  11. \\(\\begin{array}{rrrrrcrrr}\r\n\\\\ \\\\ \\\\\r\na&+&10&\\ge &3&\\text{and}&\\dfrac{8a}{8}&<&\\dfrac{48}{8} \\\\\r\n&-&10&&-10&&&& \\\\\r\n\\midrule\r\n&&a&\\ge &-7&\\text{and}&a&<&6 \\\\ \\\\\r\n&&&-7&\\le &a&<&6&\r\n\\end{array}\\)\\(\\text{Interval notation: } [-7, 6)\\)\u00a0\"Numberline<\/li>\r\n \t
  12. \\(\\begin{array}{rrrrrcrrr}\r\n\\\\ \\\\\r\n-6&+&v&\\ge &0&\\text{and}&\\dfrac{2v}{2}&>&\\dfrac{4}{2} \\\\\r\n+6&&&&+6&&&& \\\\\r\n\\midrule\r\n&&v&\\ge &6&\\text{and}&v&>&2\r\n\\end{array}\\)\\(\\text{Interval notation: } [6, \\infty)\\)\u00a0\"Numberline<\/li>\r\n \t
  13. \\(\\begin{array}{rrrcrrr}\r\n\\\\ \\\\\r\n3&<&9&+&x&<&7 \\\\\r\n-9&&-9&&&&-9 \\\\\r\n\\midrule\r\n-6&<&&x&&<&-2 \\\\\r\n\\end{array}\\)\\(\\text{Interval notation: } (-6, -2)\\)\u00a0\"Numberline<\/li>\r\n \t
  14. \\(\\begin{array}{rrrrrr}\r\n\\\\ \\\\\r\n(0&\\ge & \\dfrac{x}{9} & \\ge & -1)&(9) \\\\ \\\\\r\n0&\\ge & x& \\ge & -9& \\\\ \\\\\r\n\\end{array}\\)\\(\\text{Interval notation: } [-9, 0]\\)\u00a0\"Numberline<\/li>\r\n \t
  15. \\(\\begin{array}{rrrcrrr}\r\n\\\\ \\\\ \\\\\r\n11&<&8&+&k&<&12 \\\\\r\n-8&&-8&&&&-8 \\\\\r\n\\midrule\r\n3&<&&k&&<&4 \\\\ \\\\\r\n\\end{array}\\)\\(\\text{Interval notation: } (3, 4)\\)\u00a0\"Numberline<\/li>\r\n \t
  16. \\(\\begin{array}{rrrcrrr}\r\n\\\\ \\\\ \\\\\r\n-11&<&n&-&9&<&-5 \\\\\r\n+9&&&+&9&&+9 \\\\\r\n\\midrule\r\n-2&<&&n&&<&4 \\\\ \\\\\r\n\\end{array}\\)\\(\\text{Interval notation: } (-2, 4)\\)\u00a0\"Numberline<\/li>\r\n \t
  17. \\(\\begin{array}{rrrcrrr}\r\n\\\\ \\\\ \\\\\r\n-3&<&x&-&1&<&1 \\\\\r\n+1&&&+&1&&+1 \\\\\r\n\\midrule\r\n-2&<&&x&&<&2 \\\\ \\\\\r\n\\end{array}\\)\\(\\text{Interval notation: } (-2, 2)\\)\u00a0\"Numberline<\/li>\r\n \t
  18. \\(\\begin{array}{rrrrrr}\r\n\\\\ \\\\ \\\\\r\n(-1&< & \\dfrac{p}{8} & <& 0)&(8) \\\\ \\\\\r\n-8&< & p& < & 0& \\\\ \\\\\r\n\\end{array}\\)\\(\\text{Interval notation: } (-8, 0)\\)\u00a0\"Numberline<\/li>\r\n \t
  19. \\(\\begin{array}{rrrcrrr}\r\n\\\\ \\\\ \\\\ \\\\ \\\\\r\n-4&<&8&-&3m&<&11 \\\\\r\n-8&&-8&&&&-8 \\\\\r\n\\midrule\r\n\\dfrac{-12}{-3}&<&&\\dfrac{-3m}{-3}&&<&\\dfrac{3}{-3} \\\\ \\\\\r\n4&>&&m&&>&-1\r\n\\end{array}\\)\\(\\text{Interval notation: } (-1, 4)\\)\u00a0\u00a0\"Numberline<\/li>\r\n \t
  20. \\(\\begin{array}{rrrrrcrrrrr}\r\n\\\\ \\\\ \\\\ \\\\ \\\\\r\n3&+&7r&>&59&\\text{or} &-6r&-&3&>&33 \\\\\r\n-3&&&&-3&&&+&3&>&+3 \\\\\r\n\\midrule\r\n&&\\dfrac{7r}{7}&>&\\dfrac{56}{7}&\\text{or} &&&\\dfrac{-6r}{-6}&>&\\dfrac{36}{-6} \\\\ \\\\\r\n&&r&>&8&\\text{or} &&&r&<&-6\r\n\\end{array}\\)\\(\\text{Interval notation: } (-\\infty, -6) \\cup (8, \\infty)\\)\u00a0\"Numberline<\/li>\r\n \t
  21. \\(\\begin{array}{rrrcrrr}\r\n\\\\ \\\\ \\\\ \\\\ \\\\\r\n-16&<&2n&-&10&<&-2 \\\\\r\n+10&&&+&10&&+10 \\\\\r\n\\midrule\r\n\\dfrac{-6}{2}&<&&\\dfrac{2n}{2}&&<&\\dfrac{8}{2} \\\\ \\\\\r\n-3&<&&n&&<&4\r\n\\end{array}\\)\\(\\text{Interval notation: } (-3, 4)\\)\u00a0\"Numberline<\/li>\r\n \t
  22. \\(\\begin{array}{rrrrrcrrrrr}\r\n\\\\ \\\\ \\\\ \\\\ \\\\\r\n-6&-&8x&\\ge &-6&\\text{or} &2&+&10x&>&82 \\\\\r\n+6&&&&+6&&-2&&&>&-2 \\\\\r\n\\midrule\r\n&&\\dfrac{-8x}{-8}&\\ge&\\dfrac{0}{-8}&&&&\\dfrac{10x}{10}&>&\\dfrac{80}{10} \\\\ \\\\\r\n&&x&\\le &0&&\\text{or}&&x&>&8\r\n\\end{array}\\)\\(\\text{Interval notation: } (-\\infty, 0] \\cup (8, \\infty)\\)\u00a0\"Numberline<\/li>\r\n \t
  23. \\(\\begin{array}{rrrrrcrrrrr}\r\n\\\\ \\\\ \\\\ \\\\ \\\\\r\n-5b&+&10&<&30&\\text{and} &7b&+&2&<&-40 \\\\\r\n&&-10&&-10&&&-&2&&-2 \\\\\r\n\\midrule\r\n&&\\dfrac{-5b}{-5}&<&\\dfrac{20}{-5}&&&&\\dfrac{7b}{7}&<&\\dfrac{-42}{7} \\\\ \\\\\r\n&&b&>&-4&&\\text{and}&&b&<&-6\r\n\\end{array}\\)\u2234 \\(\\text{No solution}\\)\u00a0\"No<\/li>\r\n \t
  24. \\(\\begin{array}{rrrrrcrrrrr}\r\n\\\\ \\\\ \\\\ \\\\ \\\\\r\nn&+&10&\\ge &15&\\text{or} &4n&-&5&<&-1 \\\\\r\n&-&10&&-10&&&+&5&&+5 \\\\\r\n\\midrule\r\n&&n&\\ge&5&&&&\\dfrac{4n}{4}&<&\\dfrac{4}{4} \\\\ \\\\\r\n&&n&\\ge &5&&\\text{or}&&n&<&1\r\n\\end{array}\\)\\(\\text{Interval notation: } (-\\infty, 1) \\cup [5, \\infty)\\)\u00a0\u00a0\"Numberline<\/li>\r\n \t
  25. \\(\\begin{array}{rrrrrrrcrrrrrrr}\r\n\\\\ \\\\ \\\\ \\\\ \\\\\r\n3x&-&9&<&2x&+&10&\\text{and}&5&+&7x&<&10x&-&10 \\\\\r\n-2x&+&9&&-2x&+&9&&-5&-&10x&&-10x&-&5 \\\\\r\n\\midrule\r\n&&x&<&19&&&&&&\\dfrac{-3x}{-3}&<&\\dfrac{-15}{-3}&& \\\\ \\\\\r\n&&x&<&19&&&\\text{and}&&&x&>&5&& \\\\ \\\\\r\n&&&&&5&<&x&<&19&&&&&\r\n\\end{array}\\)\\(\\text{Interval notation: } (5, 19)\\)\u00a0\"Numberline(5,19)\"<\/li>\r\n \t
  26. \\(\\begin{array}{rrrrrrrcrrrrrrr}\r\n\\\\ \\\\ \\\\\r\n4n&+&8&<&3n&-&6&\\text{or}&10n&-&8&\\ge &9&+&9n \\\\\r\n-3n&-&8&&-3n&-&8&&-9n&+&8&&+8&-&9n \\\\\r\n\\midrule\r\n&&n&<&-14&&&\\text{or}&&&n&\\ge &17&& \\\\ \\\\\r\n\\end{array}\\)\\(\\text{Interval notation: } (-\\infty, -14) \\cup [17, \\infty)\\)\u00a0\"Numerline<\/li>\r\n \t
  27. \\(\\begin{array}{rrrrrrrcrrrrrrr}\r\n\\\\ \\\\ \\\\ \\\\ \\\\\r\n-8&-&6v&<&8&-&8v&\\text{and}&7v&+&9&<&6&+&10v \\\\\r\n+8&+&8v&&+8&+&8v&&-10v&-&9&&-9&-&10v \\\\\r\n\\midrule\r\n&&\\dfrac{2v}{2}&<&\\dfrac{16}{2}&&&&&&\\dfrac{-3v}{-3}&<&\\dfrac{-3}{-3}&& \\\\ \\\\\r\n&&v&<&8&&&\\text{and}&&&v&>&1&& \\\\ \\\\\r\n&&&&&1&<&v&<&8&&&&&\r\n\\end{array}\\)\\(\\text{Interval notation: } (1, 8)\\)\u00a0\"Numberline<\/li>\r\n \t
  28. \\(\\begin{array}{rrrrrrrcrrrrrrr}\r\n\\\\ \\\\ \\\\ \\\\ \\\\\r\n5&-&2a&\\ge &2a&+&1&\\text{or}&10a&-&10&\\ge &9a&+&9 \\\\\r\n-5&-&2a&&-2a&-&5&&-9a&+&10&&-9a&+&10 \\\\\r\n\\midrule\r\n&&\\dfrac{-4a}{-4}&\\ge &\\dfrac{-4}{-4}&&&&&&a&\\ge&19&& \\\\ \\\\\r\n&&a&\\le &1&&&\\text{or}&&&a&\\ge &19&&\r\n\\end{array}\\)\\(\\text{Interval notation: } (-\\infty, 1] \\cup [19, \\infty)\\)\u00a0\"Numberline<\/li>\r\n \t
  29. \\(\\begin{array}{rrrrrrrcrrrrrrr}\r\n\\\\ \\\\ \\\\ \\\\ \\\\\r\n1&+&5k&\\ge &7k&-&3&\\text{or}&k&-&10&>&2k&+&10 \\\\\r\n-1&-&7k&&-7k&-&1&&-2k&+&10&&-2k&+&10 \\\\\r\n\\midrule\r\n&&\\dfrac{-2k}{-2}&\\ge &\\dfrac{-4}{-2}&&&&&&-k&>&20&& \\\\ \\\\\r\n&&k&\\le &2&&&\\text{or}&&&k&<&-20&&\r\n\\end{array}\\)\\(\\text{Interval notation: } (-\\infty, 2]\\)\u00a0\"Numberline<\/li>\r\n \t
  30. \\(\\begin{array}{rrrrrrrcrrrrrrl}\r\n\\\\ \\\\ \\\\\r\n8&-&10r&<&8&+&4r&\\text{or}&-6&+&8r&<&2&+&8r \\\\\r\n-8&-&4r&&-8&-&4r&&+6&-&8r&&+6&-&8r \\\\\r\n\\midrule\r\n&&\\dfrac{-14r}{-14}&<&\\dfrac{0}{-14}&&&&&&0&<&8&\\leftarrow &\\text{This is always true} \\\\ \\\\\r\n&&r&>&0&&&\\text{or}&&&r&\\in &\\mathbb{R} &&\r\n\\end{array}\\)\\(\\text{Interval notation: } (-\\infty, \\infty)\\)\u00a0\"Numberline<\/li>\r\n \t
  31. \\(\\begin{array}{rrrrrrrcrrrrrrr}\r\n\\\\ \\\\ \\\\ \\\\ \\\\\r\n2x&+&9&\\ge &10x&+&1&\\text{and}&3x&-&2&<&7x&+&2 \\\\\r\n-10x&-&9&&-10x&-&9&&-7x&+&2&&-7x&+&2 \\\\\r\n\\midrule\r\n&&\\dfrac{-8x}{-8}&\\ge &\\dfrac{-8}{-8}&&&&&&\\dfrac{-4x}{-4}&<&\\dfrac{4}{-4}&& \\\\ \\\\\r\n&&x&\\le &1&&&\\text{and}&&&x&>&-1&& \\\\ \\\\\r\n&&&&&-1&<&x&\\le &1&&&&&\r\n\\end{array}\\)\\(\\text{Interval notation: } (-1, 1]\\)\u00a0\"Numberlin<\/li>\r\n \t
  32. \\(\\begin{array}{rrrrrrrcrrrrrrr}\r\n\\\\ \\\\ \\\\ \\\\ \\\\\r\n-9m&+&2&< &-10&-&6m&\\text{or}&-m&+&5&\\ge &10&+&4m \\\\\r\n+6m&-&2&&-2&+&6m&&-4m&-&5&&-5&-&4m \\\\\r\n\\midrule\r\n&&\\dfrac{-3m}{-3}&<&\\dfrac{-12}{-3}&&&&&&\\dfrac{-5m}{-5}&\\ge &\\dfrac{5}{-5}&& \\\\ \\\\\r\n&&m&>&4&&&\\text{or}&&&m&\\le &-1&&\r\n\\end{array}\\)\\(\\text{Interval notation: } (-\\infty, -1] \\cup (4, \\infty)\\)\u00a0\"Numberline<\/li>\r\n<\/ol>","rendered":"
      \n
    1. \"\begin{array}{rrrrrrrr}\"\text{Interval notation: } (-\infty, \infty)\"\u00a0\u00a0\"Number<\/li>\n
    2. \"\begin{array}{rrrrrrrrr}\"\text{Interval notation: } (-\infty, -5) \cup [-4, \infty)\"\u00a0\u00a0\"Numberline<\/li>\n
    3. \"\begin{array}{rrrrrrrrr}\"\text{Interval notation: } (-\infty, -5) \cup [5, \infty)\"\u00a0\"Numberline<\/li>\n
    4. \"\begin{array}{rrrrrrrrr}\"\text{Interval notation: } (-\infty, -7) \cup (0, \infty)\"\u00a0\u00a0\"Number<\/li>\n
    5. \"\begin{array}{rrrrrrrrr}\"\text{Interval notation: } (-\infty, -7)\"\u00a0\"Numberline<\/li>\n
    6. \"\begin{array}{rrrrrrrrr}\"\text{Interval notation: } (-\infty, -7)\cup (8, \infty)\"\u00a0\"Numberline<\/li>\n
    7. \"\begin{array}{rrrrcrrrrr}\"\text{Interval notation: } \((-8, 3)\"\u00a0\"Numberline<\/li>\n
    8. \"\begin{array}{rrrcrrrr}\"\text{Interval notation: } (-7, 4)\"\u00a0\u00a0\"Numberline<\/li>\n
    9. \"\begin{array}{rrrrrrrrr}\"\text{Interval notation: } (-\infty, 5)\"\u00a0\"Numberline<\/li>\n
    10. \"\begin{array}{rrrcrrrr}\"\text{Interval notation: } (-2, 6)\"\u00a0\"Numberline<\/li>\n
    11. \"\begin{array}{rrrrrcrrr}\"\text{Interval notation: } [-7, 6)\"\u00a0\"Numberline<\/li>\n
    12. \"\begin{array}{rrrrrcrrr}\"\text{Interval notation: } [6, \infty)\"\u00a0\"Numberline<\/li>\n
    13. \"\begin{array}{rrrcrrr}\"\text{Interval notation: } (-6, -2)\"\u00a0\"Numberline<\/li>\n
    14. \"\begin{array}{rrrrrr}\"\text{Interval notation: } [-9, 0]\"\u00a0\"Numberline<\/li>\n
    15. \"\begin{array}{rrrcrrr}\"\text{Interval notation: } (3, 4)\"\u00a0\"Numberline<\/li>\n
    16. \"\begin{array}{rrrcrrr}\"\text{Interval notation: } (-2, 4)\"\u00a0\"Numberline<\/li>\n
    17. \"\begin{array}{rrrcrrr}\"\text{Interval notation: } (-2, 2)\"\u00a0\"Numberline<\/li>\n
    18. \"\begin{array}{rrrrrr}\"\text{Interval notation: } (-8, 0)\"\u00a0\"Numberline<\/li>\n
    19. \"\begin{array}{rrrcrrr}\"\text{Interval notation: } (-1, 4)\"\u00a0\u00a0\"Numberline<\/li>\n
    20. \"\begin{array}{rrrrrcrrrrr}\"\text{Interval notation: } (-\infty, -6) \cup (8, \infty)\"\u00a0\"Numberline<\/li>\n
    21. \"\begin{array}{rrrcrrr}\"\text{Interval notation: } (-3, 4)\"\u00a0\"Numberline<\/li>\n
    22. \"\begin{array}{rrrrrcrrrrr}\"\text{Interval notation: } (-\infty, 0] \cup (8, \infty)\"\u00a0\"Numberline<\/li>\n
    23. \"\begin{array}{rrrrrcrrrrr}\u2234 \"\text{No solution}\"\u00a0\"No<\/li>\n
    24. \"\begin{array}{rrrrrcrrrrr}\"\text{Interval notation: } (-\infty, 1) \cup [5, \infty)\"\u00a0\u00a0\"Numberline<\/li>\n
    25. \"\begin{array}{rrrrrrrcrrrrrrr}\"\text{Interval notation: } (5, 19)\"\u00a0\"Numberline(5,19)\"<\/li>\n
    26. \"\begin{array}{rrrrrrrcrrrrrrr}\"\text{Interval notation: } (-\infty, -14) \cup [17, \infty)\"\u00a0\"Numerline<\/li>\n
    27. \"\begin{array}{rrrrrrrcrrrrrrr}\"\text{Interval notation: } (1, 8)\"\u00a0\"Numberline<\/li>\n
    28. \"\begin{array}{rrrrrrrcrrrrrrr}\"\text{Interval notation: } (-\infty, 1] \cup [19, \infty)\"\u00a0\"Numberline<\/li>\n
    29. \"\begin{array}{rrrrrrrcrrrrrrr}\"\text{Interval notation: } (-\infty, 2]\"\u00a0\"Numberline<\/li>\n
    30. \"\begin{array}{rrrrrrrcrrrrrrl}\"\text{Interval notation: } (-\infty, \infty)\"\u00a0\"Numberline<\/li>\n
    31. \"\begin{array}{rrrrrrrcrrrrrrr}\"\text{Interval notation: } (-1, 1]\"\u00a0\"Numberlin<\/li>\n
    32. \"\begin{array}{rrrrrrrcrrrrrrr}\"\text{Interval notation: } (-\infty, -1] \cup (4, \infty)\"\u00a0\"Numberline<\/li>\n<\/ol>\n","protected":false},"author":727,"menu_order":26,"template":"","meta":{"pb_show_title":"on","pb_short_title":"","pb_subtitle":"","pb_authors":[],"pb_section_license":""},"back-matter-type":[],"contributor":[],"license":[],"class_list":["post-1365","back-matter","type-back-matter","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/pressbooks.bccampus.ca\/intermediatealgebrakpu\/wp-json\/pressbooks\/v2\/back-matter\/1365","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pressbooks.bccampus.ca\/intermediatealgebrakpu\/wp-json\/pressbooks\/v2\/back-matter"}],"about":[{"href":"https:\/\/pressbooks.bccampus.ca\/intermediatealgebrakpu\/wp-json\/wp\/v2\/types\/back-matter"}],"author":[{"embeddable":true,"href":"https:\/\/pressbooks.bccampus.ca\/intermediatealgebrakpu\/wp-json\/wp\/v2\/users\/727"}],"version-history":[{"count":26,"href":"https:\/\/pressbooks.bccampus.ca\/intermediatealgebrakpu\/wp-json\/pressbooks\/v2\/back-matter\/1365\/revisions"}],"predecessor-version":[{"id":3774,"href":"https:\/\/pressbooks.bccampus.ca\/intermediatealgebrakpu\/wp-json\/pressbooks\/v2\/back-matter\/1365\/revisions\/3774"}],"metadata":[{"href":"https:\/\/pressbooks.bccampus.ca\/intermediatealgebrakpu\/wp-json\/pressbooks\/v2\/back-matter\/1365\/metadata\/"}],"wp:attachment":[{"href":"https:\/\/pressbooks.bccampus.ca\/intermediatealgebrakpu\/wp-json\/wp\/v2\/media?parent=1365"}],"wp:term":[{"taxonomy":"back-matter-type","embeddable":true,"href":"https:\/\/pressbooks.bccampus.ca\/intermediatealgebrakpu\/wp-json\/pressbooks\/v2\/back-matter-type?post=1365"},{"taxonomy":"contributor","embeddable":true,"href":"https:\/\/pressbooks.bccampus.ca\/intermediatealgebrakpu\/wp-json\/wp\/v2\/contributor?post=1365"},{"taxonomy":"license","embeddable":true,"href":"https:\/\/pressbooks.bccampus.ca\/intermediatealgebrakpu\/wp-json\/wp\/v2\/license?post=1365"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}