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If f(x)=2^(x),"then"f(0),f(1),f(2)..."ar...

If `f(x)=2^(x),"then"f(0),f(1),f(2)..."are in"`

A

A.P.

B

G.P.

C

H.P.

D

none of these.

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The correct Answer is:
B
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MARVEL PUBLICATION-SETS, RELATIONS AND FUNCTIONS-MCQs
  1. If f(x) = (a-x^n)^(1/n), a > 0 and n in N, then prove that f(f(x)) = x...

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  2. "If" f(x)=(3x+2)/(5x-3),"then"

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  3. If f(x)=2^(x),"then"f(0),f(1),f(2)..."are in"

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  4. If f(x)=ax+b and g(x)=cx+d, then f(g(x))=g(f(x)) is equivalent to

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  5. Let f(x)=(ax + b )/(cx+d). Then the fof (x)=x, provided that : (a!=0,...

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  6. If f(x): (25-x^4)^(1/4) for 0< x< sqrt5 then f(f(1/2))=

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  7. If f(x)=2x^n+a, where f(2)=26 and f(4)=138, then: f(3)=

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  8. Two finite sets have m and n elements. The total number of subsets of ...

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  9. If f(x)=cos (logx), then f(x)f(y)-1/2[f(x/y)+f(xy)]=

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  10. If f(x)=sin(logx) then f(xy)+f(x/y)-2f(x)cos(logy)= (A) cos(logx) ...

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  11. If f(x)=(1-x)/(1+x), then f[ f(cos2 theta)]=

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  12. If: f(x)=bx^2+cx+d and: f(x+1)-f(x)=8x+3, then:

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  13. if f(x)=x/(x-1) then f(a) / f(a+1)=?

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  14. If: f(theta)=log((1+theta)/(1-theta)), then: f((2theta)/(1+theta^2))=

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  15. If f(x)=(x-3)/(x+1) then f[f{f(x)}] equals

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  16. If f(x)=(x-|x|)/(|x|), then f(-1)=

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  17. If f(x) = 4x^3 + 3x^2 + 3x + 4, then x^3f(1/x) isequal to

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  18. If the function f :N to N is defined by f (x)= sqrtx, then (f (25))/(f...

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  19. If f(x) = x/(x-1)=1/y then the value of f(y) is

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  20. Let the function f be defined by f(x) = ((2x +1) / (1-3x)) then f^-1 (...

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