A.\(7\)
B.\(73\)
C.\(-7\)
D.\(-3\)

A.\(x > 3\)
B.\(x \ge 0\)
C.\(x \ge 0\) và \(x \ne 3\)  
D.\(x \ne 3\)

A.\(0\)
B.\(1\)
C.\(2\)
D.\(3\)

A.\(m =  - 1\)
B.\(m = 1\)
C.\(m = 0\)
D.\(m = \dfrac{1}{2}\)

A.
B.
C.
D.

A.\({P_{\min }} = 19\,\,;\,\,\,{P_{\max }} = 259\)
B.\({P_{\min }} = 17\,\,;\,\,\,{P_{\max }} = 259\)
C.\({P_{\min }} = 19\,\,;\,\,\,{P_{\max }} = 319\)
D.\({P_{\min }} = 17\,\,;\,\,\,{P_{\max }} = 319\)

A.\(144{m^2}\)
B.\(288\,{m^2}\)
C.\(540\,{m^2}\)
D.\(432\,{m^2}\)

A.\(20\) cái
B.\(22\) cái
C.\(24\) cái
D.\(28\) cái

A.
B.
C.
D.

A.\(\frac{{11}}{{75}}\,\,{m^2}\)
B.\(\frac{{22}}{{75}}\,\,{m^2}\)
C.\(\frac{{22}}{{25}}\,\,{m^2}\)
D.\(\frac{{11}}{{25}}\,\,{m^2}\)