Sets, Relations and Functions (BITSAT Mathematics): Questions 7 - 13 of 14

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Question number: 7

» Sets, Relations and Functions » Functions and Composition

MCQ▾

Question

If f(x)= x2 and g(x)=f(f(x)) , then for x>20,g(x) equals –

Choices

Choice (4) Response
a.

1

b.

1

c.

0

d. None of the above

Question number: 8

» Sets, Relations and Functions » Domain, Range

MCQ▾

Question

If y=tanπ29x2 , then –

Choices

Choice (4) Response
a.

3y3

b.

0y3

c.

0y3

d. None of the above

Question number: 9

» Sets, Relations and Functions » Domain, Range

MCQ▾

Question

3tan1x=tan1(3xx313x2) holds only if –

Choices

Choice (4) Response
a.

x 1

b.

x 1

c.

x <13

d. Question does not provide sufficient data or is vague

Question number: 10

» Sets, Relations and Functions » Domain, Range

MCQ▾

Question

The largest interval for which x12x9+x4x+1>0 , is

Choices

Choice (4) Response
a.

<x<

b.

0<x<1

c.

4<x0

d.

100<x<100

Question number: 11

» Sets, Relations and Functions » Domain, Range

MCQ▾

Question

Range of the function f(x)=x2+x+1 is

Choices

Choice (4) Response
a.

[32,)

b.

[0,)

c.

(32,)

d. Question does not provide sufficient data or is vague

Question number: 12

» Sets, Relations and Functions » Domain, Range

MCQ▾

Question

The range of the function f(x)=13x4 is

Choices

Choice (4) Response
a.

R

b.

(0,)

c.

[0,]

d. None of the above

Question number: 13

» Sets, Relations and Functions » Domain, Range

MCQ▾

Question

Range of the function f(x)=x1+x is

Choices

Choice (4) Response
a.

[0,){1}

b.

[0,)

c.

(0,)

d. None of the above

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