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The maximum possible domain and correspo...

The maximum possible domain and corresponding range for `f(x)=(-1)^(x)` are

A

`D_(f)=R, R_(f)=[-1, 1]`

B

`D_(f)=Z, R_(f)={1, -1]`

C

`D_(f)=Z, R_(f)=[1, 1]`

D

`D_(f)=R,R_(f)={-1, 1}`

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DIPTI PUBLICATION ( AP EAMET)-FUNCTIONS-EXERCISE 1B(DOMAINS, RANGES OF REAL FUNCTIONS)
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  16. The range of Sin^(-1)x-Cos^(-1)x is

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  18. The range of Cot^(-1)(-x)-Tan^(-1)x+sec^(-1) is

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