A.\(2\sqrt 5  + 2\sqrt 2 \)
B.\(36\)
C.\(28\)
D.\(6\sqrt 2 \)

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

A.\(\left( {\dfrac{3}{4};\dfrac{5}{4}} \right)\)
B.\(\left( {\dfrac{1}{3};\dfrac{1}{2}} \right)\)
C.\(\left( {0;\dfrac{1}{3}} \right)\)
D.\(\left( {\dfrac{1}{2};\dfrac{3}{4}} \right)\)

A.\(F\left( {\dfrac{\pi }{6}} \right) = \dfrac{1}{2}\)
B.\(F\left( {\dfrac{\pi }{6}} \right) = \dfrac{5}{4}\)
C.\(F\left( {\dfrac{\pi }{6}} \right) = \dfrac{3}{4}\)
D.\(F\left( {\dfrac{\pi }{6}} \right) = 0\)

A.\(S = \left( { - \dfrac{1}{3};1} \right)\)
B.\(S = \left( {\dfrac{6}{7};1} \right)\)
C.\(S = \left( { - \infty ;\dfrac{6}{7}} \right)\)
D.\(S = \left( { - \dfrac{1}{3};\dfrac{6}{7}} \right)\)

A.\(\mathbb{R}\backslash \left\{ {\dfrac{1}{2};2} \right\}\)
B.\(\left( {1; + \infty } \right)\backslash \left\{ 2 \right\}\)
C.\(\left( {2; + \infty } \right)\)
D.\(\left( { - \infty ;\dfrac{1}{2}} \right) \cup \left( {2; + \infty } \right)\)

A.\(S = 6{a^2}\)
B.\(S = 4{a^2}\)
C.\(S = 8{a^2}\)
D.\(S = 10{a^2}\)

A.\(f\left( 2 \right) =  - 4\)
B.\(f\left( 2 \right) =  - 3\)
C.\(f\left( 2 \right) =  - 2\)
D.\(f\left( 2 \right) = 4\)

A.\(a + b + R = 12\)
B.\(a + b + R =  - 2\)
C.\(a + b + R = 7 + \sqrt 5 \)
D.\(a + b + R =  - 7 + \sqrt 5 \)

A.Many universities worldwide have switched to virtual platforms for learning and teaching.
B.Moira Jones is not positive about the potential of the Internet in general knowledge acquisition.
C.When it comes to IQ tests, the ability to recall factual information is of little importance.
D.David Swift believes that informal acquisition of knowledge has been overrated these days.