A

3

B

2

C

4

D

5

A

x⁴ – 7x + 2

B

x⁵ – 7x + 6

C

x⁴ – 7x + 5

D

x⁵ – 7x + 5

A

{1, 2, 3, 4, 5, 6}

B

{2, 4, 6}

C

{2, 4}

D

ϕ

A

16

B

12

C

20

D

8

A

A = {1, 2, 3, 4, 5, 6, 7, 8}, B = {x : x is a natural number and x < 8}

B

A = {3, 6, 9, 12}, B = {x : x = 3n and 1 ≤ n ≤ 4}

C

A = {2, 4, 6, 8}, B = {8, 6, 4, 1}

D

A = {a, e, i, o, v}, B = {e, a, u, i, o}

A

-e^-x

B

-e^x

C

e^x

D

e^-x

A

{49, –81}

B

{9, –9}

C

{81, –81}

D

{8, –8}

A

x + 6 = 0

B

x + 3 = 0

C

x + 5 = 0

D

x + 2 = 0

A

1

B

2

C

3

D

4

A

10

B

9

C

12

D

11

A

2, (11/3)

B

5, (11/6)

C

3, (11/4)

D

4, (9/4)

A

2cosec2x

B

2sec2x

C

2sin2x

D

2cos2x

A

x² + y² – 4x – 6y – 3 = 0

B

x² + y² + 4x – 6y – 3 = 0

C

x² + y² – 4x + 6y + 3 = 0

D

x² + y² – 4x – 6y + 3 = 0

A

4x² + 4y² = √5

B

4x² – 4y² = 5

C

4x² + 4y² = 5

D

4x² – 4y² = √5

A

{M, A, T, H, E, M, A, T, C, S}

B

{M, A, T, H, E, I, S}

C

{M, A, T, E, H, I}

D

{M, A, T, H, E, I, C, S}

A

{1, 2, 3} ∈ A

B

{3, 4} ∈ A

C

{3, 4} ⊂ A

D

1 ⊂ A

A

x² + y² – 4x + 4y + 4 = 0

B

x² + y² + 4x – 4y + 8 = 0

C

x² + y² + 4x + 4y + 8 = 0

D

x² + y² + 4x – 4y + 4 = 0

A

A = {2, 7, 9} and B = {7, 9, 2}

B

A = {a, e, f} and B = {f, e}

C

A = {2, 4, 6, 8} and B = {4, 8}

D

A = {a, b, c, d, e} and B = {e, c, b, a}

A

{x : x = n³ and 1 ≤ n ≤ 15}

B

{x : x = n³ and 1 ≤ n ≤ 5}

C

{x : x = 3ⁿ and 1 < n ≤ 15}

D

{x : x = 3ⁿ and 1 ≤ n ≤ 505}

A

4^x log2 + 5x⁵

B

5^x log4 + 5x⁴

C

4^x log4 + 5x⁴

D

4^x log2 + 4x⁵