Question

If f(x) = x2

, xϵ z-{0} is a _________ function.​

Answer 1

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Step-by-step explanation:

Correct option is

D

3

f(−4)

+4=16

(A) 3f(

2

1

)−6=3×

2

1

−6

=

2

9

So, A is not correct

(B) f(2)=

2

1

So, B is not correct

(C) f(−6)+f(

2

1

)=36+

2

1

=

2

73



=

2

1

=f(2)

So, C is not correct

(D) 3

f(−4)

+4=3×

16

+4

=16

Hence, D is correct.

Answer 2

Answer:

hope it helps

Step-by-step explanation:

Let f(x)=[x] and g(x)={

0,x∈Z

x

2

;x∈R−Z