A.\(2\)
B.\(\dfrac{1}{2}\)
C.\(\dfrac{1}{4}\)
D.\(1\)

A.\(y =  - 1\)
B.\(y = 2\)
C.\(y =  - 6\)
D.\(y = 3\)

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

A.\(y' = \dfrac{1}{{3\ln x}}\)
B.\(y' = \dfrac{1}{{x\ln 3}}\)
C.\(y' = \dfrac{x}{{\ln 3}}\)
D.\(y' = \dfrac{1}{x}\)

A.\({x^{\dfrac{5}{3}}}\)
B.\({x^{\dfrac{3}{5}}}\)
C.\({x^{\dfrac{1}{{15}}}}\)
D.\({x^{15}}\)

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

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

A.\(\dfrac{9}{{11}}\)
B.\(\dfrac{8}{{11}}\)
C.\(\dfrac{6}{{11}}\)
D.\(\dfrac{4}{{11}}\)

A.\(6\sqrt 2  - 2\)
B.\(2\)
C.\(4\sqrt 2  - 2\)
D.\(3\)

A.\(\dfrac{{2{a^3}}}{3}\)
B.\(\dfrac{{4{a^3}}}{3}\)
C.\(\dfrac{{{a^3}}}{3}\)
D.\(\dfrac{{8{a^3}}}{3}\)