Now we classify the behavior on each of the intervals: {{CMD_178}} {{CMD_179}} On {{MATH_180}}, {{MATH_181}} is {{CMD_182}}{{CMD_183}}increasing{{CMD_184}} {{CMD_185}}decreasing{{CMD_186}}{{CMD_187}} and concave {{CMD_188}}{{CMD_189}}up{{CMD_190}}{{CMD_191}}down{{CMD_192}}{{CMD_193}} {{CMD_194}} On {{MATH_195}}, {{MATH_196}} is {{CMD_197}}{{CMD_198}}increasing{{CMD_199}} {{CMD_200}}decreasing{{CMD_201}}{{CMD_202}} and concave {{CMD_203}}{{CMD_204}}up{{CMD_205}}{{CMD_206}}down{{CMD_207}}{{CMD_208}} {{CMD_209}} On {{MATH_210}}, {{MATH_211}} is {{CMD_212}}{{CMD_213}}increasing{{CMD_214}} {{CMD_215}}decreasing{{CMD_216}}{{CMD_217}} and concave {{CMD_218}}{{CMD_219}}up{{CMD_220}}{{CMD_221}}down{{CMD_222}}{{CMD_223}} {{CMD_224}} On {{MATH_225}}, {{MATH_226}} is {{CMD_227}}{{CMD_228}}increasing{{CMD_229}} {{CMD_230}}decreasing{{CMD_231}}{{CMD_232}} and concave {{CMD_233}}{{CMD_234}}up{{CMD_235}}{{CMD_236}}down{{CMD_237}}{{CMD_238}} {{CMD_239}} {{CMD_240}}