A.\(3{e^{3x}} + C\)
B.\(\dfrac{1}{3}{e^x} + C\)
C.\(\dfrac{1}{3}{e^{3x}} + C\)
D.\(3{e^x} + C\)

A.\({S_{xq}} = 2\pi rl\)
B.\({S_{xq}} = \pi rh\)
C.\({S_{xq}} = \dfrac{1}{3}\pi {r^2}h\)
D.\({S_{xq}} = \pi rl\)

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

A.\(V = 12\pi \)
B.\(V = 16\pi \)
C.\(V = 8\pi \)
D.\(V = 4\pi \)

A.\({30^0}\)
B.\({60^0}\)
C.\({90^0}\)
D.\({45^0}\)

A.\(27\)
B.\(8\)
C.\(9\)
D.\(6\)

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

A.\(\left( { - \infty ;0} \right)\)
B.\(\left( { - 2;2} \right)\)
C.\(\left( { - 1;3} \right)\)
D.\(\left( { - \infty ; - 2} \right)\)

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

A.\(C_6^3\)
B.\(2\)
C.\(3!\)
D.\(A_6^3\)