A.\(f\left( x \right) = {x^3} - 3{x^2} + 3x - 4\)
B.\(f\left( x \right) = {x^4} - 2{x^2} - 4\)
C.\(f\left( x \right) = {x^2} - 4x + 1\) 
D.\(f\left( x \right) = \dfrac{{2x - 1}}{{x + 1}}\)

A.Đường tròn tâm \(I\left( {3; - 1} \right)\), bán kính \(R = 4\).
B.Đường tròn tâm \(I\left( {3; - 1} \right)\), bán kính \(R = 2\).
C.Đường tròn tâm \(I\left( { - 3;1} \right)\), bán kính \(R = 2\).
D.Đường tròn tâm \(I\left( { - 3;1} \right)\), bán kính \(R = 4\).

A.\(S = \left( { - 1;2} \right)\)
B.\(S = \left( {2; + \infty } \right)\)
C.\(S = \left( {\dfrac{1}{2};2} \right)\)
D.\(S = \left( { - \infty ;2} \right)\)

A.\(4\)
B.\(1\)
C.\(6\)
D.\(2\)

A.\(y =  - {x^3} + 3{x^2} + 1\)
B.\(y = {x^3} + 2{x^2} + 3\)
C.\(y = {x^4} - 2{x^2} + 1\)
D.\(y = {x^3} - 3{x^2} + 3\)

A.\(y =  - 2\)
B.\(x =  - 1\)
C.\(y =  - 1\)
D.\(x =  - 2\)

A.\(y = 9x - 26\)
B.\(y = 9x + 2\)
C.\(y =  - 9x - 3\)
D.\(y =  - 9x - 26\)

A.\(\int\limits_3^1 {{2^x}dx} \)
B.\(\int\limits_3^1 {\left( {{2^x} - 2} \right)dx} \)
C.\(\int\limits_1^3 {{2^x}dx} \)
D.\(\int\limits_1^3 {\left( {{2^x} - 2} \right)dx} \)

A.\({z_1} =  - {z_2}\)
B.\(\left| {{z_1}} \right| = \left| {{z_2}} \right| = 5\)
C.\(\left| {{z_1}} \right| = \left| {{z_2}} \right| = \sqrt 5 \)
D.\({z_1} = \overline {{z_2}} \)

A.\(\left( {4; - 2;12} \right)\)
B.\(\left( {0;3;3} \right)\)
C.\(\left( {0; - 3; - 3} \right)\)
D.\(\left( { - 2; - 1;6} \right)\)