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If f(x)=(1)/(x)-1 where x ne 0, then: f(...

If `f(x)=(1)/(x)-1` where `x ne 0,` then: `f(x)-2.f(2x)=`

A

-1

B

0

C

1

D

2

Text Solution

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The correct Answer is:
C
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MARVEL PUBLICATION-SETS, RELATIONS AND FUNCTIONS-MCQs
  1. If f(x)=x^2, if x ge1,=1, if x lt 1, then

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  2. If f(x)=(1)/(x)-1 where x ne 0, then: f(x)+f(-x)+2=

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  3. If f(x)=(1)/(x)-1 where x ne 0, then: f(x)-2.f(2x)=

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  4. If f(x)=(1)/(x)-1 where x ne 0, then: ((1)/(x))-(1)/(1+f(x))=

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  5. If f(x)=(1)/(x)-1 where x ne 0, then: f(1-x)=

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  6. If f(x)=(1)/(x)-1 where x ne 0, then: f(x)+(1)/(f(x+1))=

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  7. If f(x)=x^2 and g(x)=2x, then

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  8. If g(x) = x^2+x-2and 1/2g(f(x)) = 2x^2 -5x+2, then f(x) is

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  9. If f(x)=x^2+(1)/(x^2), g(x)=x^4+(1)/(x^4) and a+(1)/(a)=3, then the re...

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  10. If f(x)=4x-3, where -3 le x le 1 then the range of the function f is g...

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  11. If f(x)=2x+3, where 1 le x le 2, then the range of the function f is g...

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  12. If g(x)=3-4x where -2 le x le 3, then the range of function g is given...

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  13. If h(x)=5x^2+6 where -3 le x le 4, then the range of function h is giv...

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  14. If f(x)=6-5x^2, where -4 le x le 5, then the range of the functionf is...

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  15. If phi(x)=x^2+4x+5 where x in R, then the range of the function phi i...

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  16. If phi(x)=x^2-6x+8 where x in R then the range of the function phi is ...

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  17. If f(x)=(2x+1)/(3x-2) then: (f@f)(2)=

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  18. If f(x)=(x-2)^2 and g(x) =3x-3 then: (f@g)(2)=

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  19. If the function f(x)=3x+a and g(x) =4x+9 are such that (g@g)(x)=(g@f)(...

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  20. If f@g=g@f, where f(x)=2x+5 and g(x)=3x+h, then: h=

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