Relations and Functions - Online Test
Q1. If A = {(x, y) : and B = {(x, y) : 2x = 5y}, then contains
Answer : Option B
Explaination / Solution:
No Explaination.
Q2. If f : R R is given by f (x) = | x | and , then equals
Answer : Option C
Explaination / Solution:
No Explaination.
Q3. If f : N ××N →→N is such that f (m, n) = m + n where N is the set of natural number, then which of the following is true ?
Answer : Option B
Explaination / Solution:
No Explaination.
Q4. The function sin is periodic with period
Answer : Option A
Explaination / Solution:
No Explaination.
Q5.
If A = [a, b], B = [c,d], C = [d, e] then {(a, c), (a, d), (a,e), (b,c), (b, d), (b, e)} is equal to
Answer : Option C
Explaination / Solution:
No Explaination.
Q6. The function f(x) = from R to [0, ) is
Answer : Option D
Explaination / Solution:
No Explaination.
Q7. For all x ∈ (0, 1)
Answer : Option A
Explaination / Solution:
No Explaination.
Q8.
The domain of the function
Answer : Option A
Explaination / Solution:
No Explaination.
Q9. Let f (x) = and g (x) = then
Answer : Option B
Explaination / Solution:
No Explaination.
Q10.
Suppose that g (x) = 1 + and f ( g (x)) = 3 + 2 + x, then f (x) is
Answer : Option C
Explaination / Solution:
No Explaination.
