A.\(F\left( x \right) = \dfrac{1}{2}{e^{2x}} + 2020\)
B.\(F\left( x \right) = {2^{2x}} + 1\)
C.\(F\left( x \right) = \dfrac{1}{2}{e^{2x}} + x\)
D.\(F\left( x \right) = {e^{2x}} + 2021\)

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

A.\(y =  - {x^4} + 2{x^2} + 1\)
B.\(y =  - {x^3} + 3{x^2} + 1\)
C.\(T = {x^4} - 2{x^2} + 1\)
D.\(T = {x^3} - 3{x^2} + 1\)

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

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

A.\(16\pi \)
B.\(48\pi \)
C.\(12\pi \)
D.\(36\pi \)

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

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

A.\(16\pi \)
B.\(20\pi \)
C.\(36\pi \)
D.\(26\pi \)

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