A.\(\left( {0; - 1} \right).\)
B.\(\left( { - 5;0} \right).\)
C.\(\left( {4; - 1} \right).\)
D.\(\left( {0; - 5} \right).\)

A.2
B.1
C.3
D.4

A.\(1\).
B.\(0\).
C.\(3\)  .
D.\(2\)

A.\(\left( { - \infty ;1} \right)\).
B.\(\left( {3; + \infty } \right)\).
C.\(\left( {1; + \infty } \right)\) .
D.\(\left( { - \infty ;3} \right)\).

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

A.\(\left( { - 1; - 2} \right)\).
B.\(\left( { - 1;2} \right)\).
C.\(\left( {1;2} \right)\).
D.\(\left( {1; - 2} \right)\).

A.\( - \frac{1}{2}\)
B.2
C.\( - 3\)
D.\(\frac{3}{2}\)

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

A.282240
B.100800
C.604800
D.\(840\).

A.\(\left( { - \infty ;\frac{9}{2}} \right)\).
B.\(\left[ {4;\frac{9}{2}} \right]\) .
C.\(\left( { - \infty ;4} \right)\).
D.\(\left[ {4; + \infty } \right)\).