Now we classify the behavior on each of the intervals: {{CMD_37}} {{CMD_38}} On {{MATH_39}}, {{MATH_40}} is {{CMD_41}}{{CMD_42}}increasing{{CMD_43}} {{CMD_44}}decreasing{{CMD_45}}{{CMD_46}} and concave {{CMD_47}}{{CMD_48}}up{{CMD_49}}{{CMD_50}}down{{CMD_51}}{{CMD_52}} {{CMD_53}} On {{MATH_54}}, {{MATH_55}} is {{CMD_56}}{{CMD_57}}increasing{{CMD_58}} {{CMD_59}}decreasing{{CMD_60}}{{CMD_61}} and concave {{CMD_62}}{{CMD_63}}up{{CMD_64}}{{CMD_65}}down{{CMD_66}}{{CMD_67}} {{CMD_68}} On {{MATH_69}}, {{MATH_70}} is {{CMD_71}}{{CMD_72}}increasing{{CMD_73}} {{CMD_74}}decreasing{{CMD_75}}{{CMD_76}} and concave {{CMD_77}}{{CMD_78}}up{{CMD_79}}{{CMD_80}}down{{CMD_81}}{{CMD_82}} {{CMD_83}} On {{MATH_84}}, {{MATH_85}} is {{CMD_86}}{{CMD_87}}increasing{{CMD_88}} {{CMD_89}}decreasing{{CMD_90}}{{CMD_91}} and concave {{CMD_92}}{{CMD_93}}up{{CMD_94}}{{CMD_95}}down{{CMD_96}}{{CMD_97}} {{CMD_98}} On {{MATH_99}}, {{MATH_100}} is {{CMD_101}}{{CMD_102}}increasing{{CMD_103}} {{CMD_104}}decreasing{{CMD_105}}{{CMD_106}} and concave {{CMD_107}}{{CMD_108}}up{{CMD_109}}{{CMD_110}}down{{CMD_111}}{{CMD_112}} {{CMD_113}} On {{MATH_114}}, {{MATH_115}} is {{CMD_116}}{{CMD_117}}increasing{{CMD_118}} {{CMD_119}}decreasing{{CMD_120}}{{CMD_121}} and concave {{CMD_122}}{{CMD_123}}up{{CMD_124}}{{CMD_125}}down{{CMD_126}}{{CMD_127}} {{CMD_128}} {{CMD_129}}