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

A.\(S = \left\{ { - 3;3} \right\}\)
B.\(S = \left\{ 4 \right\}\)
C.\(S = \left\{ 3 \right\}\)
D.\(S = \left\{ { - \sqrt {10} ;\sqrt {10} } \right\}\)

A.\(S = b - a\)
B.\(S = b + a\)
C.\(S =  - b + a\)
D.\(S =  - b - a\)

A.6
B.10
C.12
D.

A.\(x + y - 3z - 8 = 0\)
B.\(x - y - 3z + 3 = 0\)
C.\(x + y + 3z - 9 = 0\)
D.\(x + y - 3z + 3 = 0\)

A.\(d = \dfrac{1}{3}\)
B.\(d = \dfrac{5}{3}\)
C.\(d = \dfrac{2}{3}\)
D.\(d = 2\)

A.2
B.3
C.4
D.0

A.\(I =  - 12\)
B.\(I = 8\)
C.\(I = 12\)
D.\(I =  - 8\)

A.\(\left\{ \begin{array}{l}x =  - 3\\y =  - 5 - t\\z =  - 3 + 4t\end{array} \right.\)
B.\(\left\{ \begin{array}{l}x =  - 3\\y =  - 5 + t\\z = 3 + 4t\end{array} \right.\)
C.\(\left\{ \begin{array}{l}x =  - 3\\y =  - 5 + 2t\\z = 3 - t\end{array} \right.\)
D.\(\left\{ \begin{array}{l}x =  - 3\\y =  - 6 - t\\z = 7 + 4t\end{array} \right.\)

A.\(V = \dfrac{{\sqrt 6 {a^3}}}{{18}}\)
B.\(V = \sqrt 3 {a^3}\)
C.\(V = \dfrac{{\sqrt 6 {a^3}}}{3}\)
D.\(V = \dfrac{{\sqrt 3 {a^3}}}{3}\)