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

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Question number: 1

» Sets, Relations and Functions » Equivalence Relations

MCQ▾

Question

What is the remainder obtained by dividing kx2+x1 by x+2k ?

Choices

Choice (4) Response

a.

4k32k1

b.

k1

c.

4k3+2k1

d.

2k1

Question number: 2

» Sets, Relations and Functions » Equivalence Relations

MCQ▾

Question

f:RR is a function defined by f(x)=10x7 . If g=f1 , then g(x)=

Choices

Choice (4) Response

a.

x710

b.

110x7

c.

110x+7

d.

x+710

Question number: 3

» Sets, Relations and Functions » Equivalence Relations

MCQ▾

Question

If f(x)=ax+b and g(x)=cx+d , then f(g(x))=g(f(x)) if and only if –

Choices

Choice (4) Response

a.

f(a)=g(b)

b.

f(c)=g(a)

c.

f(a)=g(c)

d.

f(d)=g(b)

f Page
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