# Sets, Relations and Functions (BITSAT Mathematics): Questions 17 - 24 of 37

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## Question number: 17

» Sets, Relations and Functions » Domain, Range

MCQ▾

### Question

Let denotes set of values of .

If , then

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 18

» Sets, Relations and Functions » Functions and Composition

MCQ▾

If , then –

### Choices

Choice (4) Response

a.

is not derivable at

b.

c.

d.

## Question number: 19

» Sets, Relations and Functions » Functions and Composition

MCQ▾

### Question

If , then equal –

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 20

» Sets, Relations and Functions » Functions and Composition

MCQ▾

### Question

If ; then is equal –

### Choices

Choice (4) Response

a.

2

b.

0

c.

1

d.

None of the above

## Question number: 21

» Sets, Relations and Functions » Domain, Range

MCQ▾

### Question

holds true for all –

### Choices

Choice (4) Response

a.

b.

c.

d.

None of the above

## Question number: 22

» Sets, Relations and Functions » Functions and Composition

MCQ▾

### Question

Set A has 3 elements and set B has 4 elements. The number of injection that can be defined from A to B is –

### Choices

Choice (4) Response

a.

64

b.

12

c.

144

d.

24

## Question number: 23

» Sets, Relations and Functions » Functions and Composition

MCQ▾

### Question

Which of the following function is inverse to itself?

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 24

» Sets, Relations and Functions » Domain, Range

MCQ▾

### Question

has an inverse if its domain is –

### Choices

Choice (4) Response

a.

b.

c.

d.

All of the above

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