C\u00e2u 1:<\/b>\u00a0Cho \u03b1 l\u00e0 m\u1ed9t s\u1ed1 th\u1ef1c v\u00e0 h\u00e0m s\u1ed1<\/p>\n
<\/p>\n
\u0111\u1ed3ng bi\u1ebfn tr\u00ean (0; +\u221e). Kh\u1eb3ng \u0111\u1ecbnh n\u00e0o sau \u0111\u00e2y l\u00e0 \u0111\u00fang<\/p>\n
A. \u03b1 < 1 \u00a0\u00a0\u00a0B. 0 < \u03b1 < 1\/2 \u00a0\u00a0\u00a0C. 1\/2 < \u03b1 < 1\u00a0\u00a0\u00a0D. \u03b1 > 1<\/p>\n
C\u00e2u 2:<\/b>\u00a0S\u1eafp x\u1ebfp c\u00e1c s\u1ed1 sau theo th\u1ee9 t\u1ef1 t\u0103ng d\u1ea7n:<\/p>\n
<\/p>\n
A. b,c,d,a \u00a0\u00a0\u00a0B. a,b,c,d \u00a0\u00a0\u00a0C.c,d,a,b.\u00a0\u00a0\u00a0D. d,b,c,a.<\/p>\n
C\u00e2u 3:<\/b>\u00a0T\u00ecm \u0111\u1ea1o h\u00e0m c\u1ee7a h\u00e0m s\u1ed1<\/p>\n
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C\u00e2u 4:<\/b>\u00a0T\u00ecm \u0111\u1ea1o h\u00e0m c\u1ee7a h\u00e0m s\u1ed1<\/p>\n
<\/p>\n
C\u00e2u 5:<\/b>\u00a0\u0110\u1ed3 th\u1ecb h\u00e0m s\u1ed1 y = x1\/4<\/sup>\u00a0c\u1eaft \u0111\u01b0\u1eddng th\u1eb3ng y=2x t\u1ea1i m\u1ed9t \u0111i\u1ec3m n\u1eb1m b\u00ean ph\u1ea3i tr\u1ee5c tung. T\u00ecm t\u1ecda \u0111\u1ed9 \u0111i\u1ec3m n\u00e0y.<\/p>\n <\/p>\n H\u01b0\u1edbng d\u1eabn gi\u1ea3i v\u00e0 \u0110\u00e1p \u00e1n<\/b><\/p>\n C\u00e2u 1:<\/b>\u00a0Vi\u1ebft l\u1ea1i h\u00e0m s\u1ed1 d\u01b0\u1edbi d\u1ea1ng h\u00e0m l\u0169y th\u1eeba<\/p>\n <\/p>\n H\u00e0m s\u1ed1 \u0111\u1ed3ng bi\u1ebfn khi v\u00e0 ch\u1ec9 khi<\/p>\n <\/p>\n Ch\u1ecdn \u0111\u00e1p \u00e1n B<\/p>\n C\u00e2u 2:<\/b><\/p>\n Vi\u1ebft l\u1ea1i c\u00e1c s\u1ed1 d\u01b0\u1edbi d\u1ea1ng c\u00f9ng c\u0103n b\u1eadc 6:<\/p>\n <\/p>\n Do 12 < 18 < 24 < 54 n\u00ean d < b < c < a c\u00e1c s\u1ed1 theo th\u1ee9 t\u1ef1 t\u0103ng d\u1ea7n l\u00e0 d,b,c,a.<\/p>\n Ch\u1ecdn \u0111\u00e1p \u00e1n D.<\/p>\n C\u00e2u 3:<\/b><\/p>\n Vi\u1ebft l\u1ea1i h\u00e0m s\u1ed1 d\u01b0\u1edbi d\u1ea1ng l\u0169y th\u1eeba y = (x2<\/sup>\u00a0+ x + 1)-1\/3<\/sup>\u00a0.<\/p>\n S\u1eed d\u1ee5ng c\u00f4ng th\u1ee9c \u0111\u1ea1o h\u00e0m h\u00e0m h\u1ee3p ta c\u00f3<\/p>\n <\/p>\n Ch\u1ecdn \u0111\u00e1p \u00e1n B.<\/p>\n C\u00e2u 4:<\/b><\/p>\n Vi\u1ebft l\u1ea1i h\u00e0m s\u1ed1 d\u01b0\u1edbi d\u1ea1ng l\u0169y th\u1eeba<\/p>\n <\/p>\n <\/p>\n \u0110\u00e1p \u00e1n A.<\/p>\n C\u00e2u 5:<\/b><\/p>\n Ph\u01b0\u01a1ng tr\u00ecnh ho\u00e0nh \u0111\u1ed9 giao \u0111i\u1ec3m<\/p>\n <\/p>\n Ch\u1ecdn \u0111\u00e1p \u00e1n D.<\/p>\n","protected":false},"excerpt":{"rendered":" C\u00e2u 1:\u00a0Cho \u03b1 l\u00e0 m\u1ed9t s\u1ed1 th\u1ef1c v\u00e0 h\u00e0m s\u1ed1 \u0111\u1ed3ng bi\u1ebfn tr\u00ean (0; +\u221e). Kh\u1eb3ng \u0111\u1ecbnh n\u00e0o sau \u0111\u00e2y l\u00e0 \u0111\u00fang A. \u03b1 < 1 \u00a0\u00a0\u00a0B. 0 < \u03b1 < 1\/2 \u00a0\u00a0\u00a0C. 1\/2 < \u03b1 < 1\u00a0\u00a0\u00a0D. \u03b1 > 1 C\u00e2u 2:\u00a0S\u1eafp x\u1ebfp c\u00e1c s\u1ed1 sau theo th\u1ee9 t\u1ef1 t\u0103ng d\u1ea7n: A. b,c,d,a \u00a0\u00a0\u00a0B. […]<\/p>\n","protected":false},"author":3,"featured_media":27607,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_mi_skip_tracking":false,"tdm_status":"","tdm_grid_status":""},"categories":[157],"tags":[1447,1446],"yoast_head":"\n\n\n
\n 1-B<\/td>\n 2-D<\/td>\n 3-B<\/td>\n 4-A<\/td>\n 5-D<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n