JEE 2020 Mathematics : Relations and Functions

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Question 1

If , then the value of x^b+c.y^c+a.z^a+b is

• A1
• B2
• C0
• D-1

Question 2

2^2x+4 < 2^3x+8
Find the range of x.

• Ax> -2
• Bx< -3
• Cx > 4
• Dx> -4

Question 3

Find the range of

• A
• B
• C
• D

Question 4

log_x(2x)+log₂(x)≥3
Find the minimum integer value of x.

• A3
• B8
• C4
• D2

Question 5

Number of integral values of x satisfying the inequality < is

• A6
• B7
• C8
• DInfinite

Question 6

The domain of the function f(x) = , where [x] is the greatest integer function

• AR-I
• BR-C
• CR-(0,1)
• DR

Question 7

The range of the function f(x) = , where [x] is the greatest integer function

• A(0,4)
• B(0,2)
• C(0,1)
• DR

Question 8

The range of the function of the function is

• A{0}
• B(0,9)
• CR
• DI

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