F(X)=3X2 + X + 5 5. F(X)= X2 – 5X + 6 6. F(X)= 2X2 +3X – 2

4. - ON TAP KIEM TRA HOC KI 2 LOP 10
ON TAP KIEM TRA HOC KI 2 LOP 10
4. f(x)=3x

2

+ x + 5 5. f(x)= x

2

– 5x + 6 6. f(x)= 2x

2

+3x – 2