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Given f(x):(1)/(sqrt(|x|-x))andg(x)=(1)/...

Given `f(x):(1)/(sqrt(|x|-x))andg(x)=(1)/(sqrt(x-|x|))`, then :

A

`D_(f)nephiandD_(g)=phi`

B

`D_(f)=phiandD_(g)nephi`

C

`D_(f)=D_(g)`

D

`D_(f)=phiandD_(g)=phi`

Text Solution

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The correct Answer is:
A
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MODERN PUBLICATION-FUNCTIONS-MULTIPLE CHOICE QUESTIONS (LEVEL -II)
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  13. The domain of definition of f(x)=(log(2)(x+3))/(x^(2)+3x+2) is :

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  14. The domain of sin^(-1)[log(3)((x)/(3))] is :

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  15. Suppose f(x)=(x+1)^(2) for xge-1. If g(x) is the function whose graph ...

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  16. A function f from the set of natural numbers to integers defined by : ...

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  17. Domain of definition of the function : f(x)=(3)/(4-x^2)+log(10)(x^(3)-...

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  18. If f:RtoR satisfies f(x+y)=f(x)+f(y) for all x,yinRandf(1)=7, then sum...

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  19. The domain of the function : f(x)=(sin^(-1)(x-3))/(sqrt(9-x^2)) is :

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  20. The graph of the function y=f(x) is symmetrical about the line x=2, th...

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