Question 12 - Week 1 Practice | Prasnya
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Week 1
Question 12
00:00
Est. 2 min
Marks:
+3.00
0.00
Which of the following relations is/are a one-one function?
Single correct
Medium Difficulty
23 February 2025
A
R
1
=
{
(
x
,
y
)
∣
x
,
y
∈
R
,
x
+
y
>
2
}
R_1 = \{(x, y) \mid x, y \in \mathbb{R},\; x + y > 2\}
B
R
2
=
{
(
x
,
y
)
∣
x
,
y
∈
R
,
x
>
y
}
R_2 = \{(x, y) \mid x, y \in \mathbb{R},\; x > y\}
C
R
3
=
{
(
x
,
y
)
∣
x
,
y
∈
R
,
x
+
y
=
12
}
R_3 = \{(x, y) \mid x, y \in \mathbb{R},\; x + y = 12\}
D
R
4
=
{
(
x
,
y
)
∣
x
,
y
∈
R
,
y
=
x
2
}
R_4 = \{(x, y) \mid x, y \in \mathbb{R},\; y = x^2\}
