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Relations and Functions Set 2

Question - 15 Maximum mark : - 15

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Relations and Functions Set 2

1.

The domain of definition of the function

✘

✘

✘

✔ NULL ✔ NULL NULL

Answer & Solution Discuss in Board Save for Later

Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

2.

The period of the function

is

2

✘ 2

✘ 10

✘ 5

✔ NULL ✔ NULL NULL

Answer & Solution Discuss in Board Save for Later

Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

3.

The domain of definition of the function

✘

✘

✘

✔ NULL ✔ NULL NULL

Answer & Solution Discuss in Board Save for Later

Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

4.

If

and is defined by

for each

, then the range f

is

(1/3, 1) ✘ [1/3, 1] ✘ (1, 2) ✘ [1, 2] ✔ NULL ✔ NULL NULL

Answer & Solution Discuss in Board Save for Later

Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

5.

If

is defined on

by the rule

Constant ✘

✘

✘ None of these ✔ NULL ✔ NULL NULL

Answer & Solution Discuss in Board Save for Later

Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

6.

Range of the function

is

✘ [-1, 1] ✘

✘

✔ NULL ✔ NULL NULL

Answer & Solution Discuss in Board Save for Later

Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

7.

If the function

given by

is a surjection, then

✘

✘

✘

✔ NULL ✔ NULL NULL

Answer & Solution Discuss in Board Save for Later

Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

8.

If

is an equivalence relation on a set

, then

is

Reflexive only ✘ Symmetric but not transitive ✘ Equivalence ✘ None of the above ✔ NULL ✔ NULL NULL

Answer & Solution Discuss in Board Save for Later

Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

9.

If the function

given by

is a surjection, then

✘

✘

✘

✔ NULL ✔ NULL NULL

Answer & Solution Discuss in Board Save for Later

Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

10.

The domain of the real valued function

✘

and

✘

✘

✔ NULL ✔ NULL NULL

Answer & Solution Discuss in Board Save for Later

Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

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