\(E \subset \left( {C \cup D} \right)\) với \(C = \left[ { - 1;4} \right];D = \mathbb{R}\backslash \left( { - 3;3} \right);E = \left[ {a;b} \right]\)
A.\(\left[ \begin{array}{l}b \le 3\\a \ge - 1\end{array} \right.\)
B.\(\left[ \begin{array}{l}b \le - 3\\a \ge - 1\end{array} \right.\)
C.\(\left[ \begin{array}{l}b < - 3\\a > - 1\end{array} \right.\)
D.\(\left[ \begin{array}{l}b < - 3\\a \ge - 1\end{array} \right.\)
A.\(\left[ \begin{array}{l}b \le 3\\a \ge - 1\end{array} \right.\)
B.\(\left[ \begin{array}{l}b \le - 3\\a \ge - 1\end{array} \right.\)
C.\(\left[ \begin{array}{l}b < - 3\\a > - 1\end{array} \right.\)
D.\(\left[ \begin{array}{l}b < - 3\\a \ge - 1\end{array} \right.\)
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Hóa Học lớp 12
