A.54
B.504
C.540
D.5040

A.5 phút
B.10 phút
C.15 phút
D.20 phút

A.45
B.65
C.92
D.156

A.24100
B.24098
C.24099
D.25100

A.\(m \ge 0\)
B.\(m <  - \dfrac{5}{3}\)
C.\(m < 1\)
D.\( - \dfrac{5}{3} \le m < 1\)

A.\(2\)
B.\(3\)
C.\(4\)
D.\(5\)

A.\(m \ge  - \dfrac{5}{8}\)
B.\(m < \dfrac{5}{8}\)
C.\(m <  - \dfrac{5}{8}\)
D.\(m \ge \dfrac{5}{8}\)

A.\(x \in \left( { - 4;\,\, - 3} \right) \cup \left( {2;\,\, + \infty } \right)\)
B.\(x \in \left( { - 4;\,\, - 3} \right) \cup \left[ {2;\,\, + \infty } \right)\)
C.\(x \in \left( { - \infty ;\,\, - 3} \right] \cup \left[ {2;\,\, + \infty } \right)\)
D.\(x \in \left( { - 4;\,\, - 3} \right] \cup \left[ {2;\,\, + \infty } \right)\)

A.\(S = \left( { - \infty ;\,\,1} \right) \cup \left( {4;\,\, + \infty } \right)\) 
B.\(S = \left( { - \infty ;\,\,2} \right) \cup \left( {4;\,\, + \infty } \right)\)
C.\(S = \left( { - \infty ;\,\,2} \right) \cup \left( {3;\,\, + \infty } \right)\) 
D.\(S = \left( { - \infty ;\,\,1} \right) \cup \left( {3;\,\, + \infty } \right)\)

A.\( - 14 \le m \le 2\) 
B.\(m \le  - 14\) hoặc \(m \ge 2\)
C.\(m <  - 14\) hoặc \(m > 2\) 
D.\( - 14 < m < 2\)