... thi tt nghip THPT Nm 201 0 -201 1 Thi gian : 150 phỳt Mụn thi : Toỏn I.PHN CHUNG CHO TT C TH SINH ( 7,0 im ) Cõu ( im ) Cho hm s : y = 2x + x a.Kho sỏt s bin thi n v v th (C) ... i tan thi tt nghip THPT Nm 201 0 -201 1 Thi gian : 150 phỳt Mụn thi : Toỏn I.PHN CHUNG CHO TT C TH SINH ( 7,0 im ) Cõu ( im ) Cho hm s y = x3 + (m-1)x2 + (m+2)x m+1 1.Kho sỏt s bin thi n v v ... z z+2z2 3z3 + z thi tt nghip THPT Nm 201 0 -201 1 Thi gian : 150 phỳt Mụn thi : Toỏn I.PHN CHUNG CHO TT C TH SINH ( 7,0 im ) Cõu ( im ) Cho hm s y = 2x4 + x2 a Kho sỏt s bin thi n v v th hm...