Sets, Relations and Functions-Functions and Composition (BITSAT Mathematics): Questions 1 - 3 of 3

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Question number: 1

» Sets, Relations and Functions » Functions and Composition

MCQ▾

Question

If f(x)=(axn)1n , when a>0 and nN , then fοf(x) is equal to –

Choices

Choice (4) Response
a.

an

b.

x

c.

a

d.

xn

Question number: 2

» Sets, Relations and Functions » Functions and Composition

MCQ▾

Question

If (33+5)2n+1=p+f , where p is an integer and f is a proper fraction, then f(p+f) is equal to –

Choices

Choice (4) Response
a.

32n+1

b.

22n+1

c.

5n+1

d. All of the above

Question number: 3

» 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

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