A.1
B.3
C.0
D.2

A.\( - \cos x + 4{x^2} + C\)
B.\(\cos x + 4{x^2} + C\)
C.\( - \cos x + 2{x^2} + C\)
D.\(\cos x + 2{x^2} + C\)

A.6
B.12
C.3
D.4

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

A.4
B.0
C.3
D.1

A.\(y =  - {x^3} - 3{x^2} - 2\)
B.\(y =  - {x^3} + 3{x^2} - 2\)
C.\(y = {x^3} + 3{x^2} - 2\)
D.\(y = {x^3} - 3{x^2} + 2\)

A.2
B.3
C.1
D.0

A.\(1 + {\log _2}a.\)
B.\(2{\log _2}a\)
C.\(2 + {\log _2}a\)
D.\(1 - {\log _2}a\)

A.\(4\pi \)
B.\(\dfrac{{4\pi }}{3}\)
C.\(\dfrac{\pi }{3}\)
D.\(\dfrac{{32\pi }}{3}\)

A.6
B.0
C.8
D.4