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Cu 1: Cho hm s a. Kho st s bin thin v v th (C) ca hm s cho.b. Tm m ng thng d: y = -x + m ct th (C) ti 2 im phn bit.Cu 2: Cho hm s y = vi l tham s thc.a. Kho st s bin thin v v th ca hm s khi (1) khi m=2b. Tm cc gi tr ca hm s (1) c cc i, cc tiu v cc im cc tr ca th hm s (1) c honh dng.Cu 3: a. Kho st s bin thin v v th (C) ca hm s b. Vit phng trnh tip tuyn ca th (C) ti im c honh bng 1.Cu 4: Cho hm s a. Kho st s bin thin v v th (C) ca hm s cho.b. Vit phng trnh tip tuyn ca th (C), bit tip tuyn vung gc vi ng thng Cu 5: Cho hm s a. Kho st s bin thin v v th (C) ca hm s cho.b. Vit phng trnh tip tuyn ca th (C) ti giao im ca (C) vi trc tung.Cu 6: Cho hm s (1)a. Kho st s bin thin v v th ca hm s (1 ).b. Vit phng trnh tip tuyn d ca th hm s (1), bit rng d vung gc vi ng thng y = x+2.Cu 7: Cho hm s : a. Kho st s bin thin v v th (C) ca hm s cho.b. Gi M l im thuc ( C ) c tung bng 5. Tip tuyn ca ( C ) ti M ct cc trc ta Ox v Oy ln lt ti A v B. Tnh din tch tam gic OAB.Cu 8: cho hm s a. Kho st s bin thin v v th (C) ca hm s (1)b. Vit phng trnh tip tuyn ca th (C) ti im thuc (C) c honh bng -1Cu 9: Cho hm s a. Kho st s bin thin v v th ca hm s.b. Tm m ng thng y=2x + m ct th hm s ti 2 im phn bit A,B sao cho AB=Cu 10: cho hm s a. Kho st . v thb. Tm trn th nhng im M sao cho tip tuyn ca th ti M ct trc tung ti im c tung bng 8.Cu 11: cho hm s a. Kho st s bin thin v v th (C) ca hm s cho.b. Vit phng trnh tip tuyn ca th bit tip tuyn cch u 2 im A(2;4) , B(-4;-2)Cu 12: cho hm s (1), m l tham s thca. Kho st s bin thin v v th (C) ca hm s chovi m=1b. Tm m hm s 1 c 2 im cc tr , sao cho

Cu 13: cho hm s , vi m l tham s thca. Kho st s bin thin v v th ca hm s vi m=1b. Tm m ng thng y = -x +1 ct th hs ti 3 im phn bit.cu 14: cho hm s a. Kho st s bin thin v v th (C) ca hm s cho.b. Tm ta im M thuc ( C ) sao cho tip tuyn ca (C ) ti M c h s gc bng 9.Cu 15: Cho hm s a. Kho st s bin thin v v th (C) ca hm s cho.b. Vit phng trnh tip tuyn ca th ti im c honh Cu 16: a. Kho st s bin thin v v th (C) ca hm s cho.b. Vit phng trnh tip tuyn ca th ti cc giao im ca (C) vi ng thng y=x-3