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Consider function f: R - {-1,1}-> R. f(x...

Consider function `f: R - {-1,1}-> R`. `f(x)=x/[1-|x|]` Then the incorrect statement is

A

it is continuous at the origin

B

it is not derivable at the origin

C

the range of the function is R

D

f is continuous and derivable in its domain

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The correct Answer is:
B
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ARIHANT MATHS-CONTINUITY AND DIFFERENTIABILITY-Exercise (Single Option Correct Type Questions)
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  2. Number of points where the function f(x)=(x^2-1)|x^2-x-2| + sin(|x|) i...

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  3. Consider function f: R - {-1,1}-> R. f(x)=x/[1-|x|] Then the incorrect...

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  4. If the functions f : R -> R and g : R -> R are such that f(x) is conti...

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  5. The total number of points of non-differentiability of f(x) = min[|sin...

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  9. Given f(x) = (e^(x)-cos 2x - x)/(x^(2)),"for x" in R-{0} g(x) = {{:(f(...

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  10. The function g(x) = {{:(x+b",",x lt 0),(cos x",",x ge 0):} cannot be m...

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  11. The graph of function f contains the point P(1, 2) and Q(s, r). The e...

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  12. Consider f(x)=[(2(sinx-sinx-sin^3x))+|sinx-sin^3 x|)/(2(sinx-sin^3 x)...

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  13. If f(x+y) = f(x) + f(y) + |x|y+xy^(2),AA x, y in R and f'(0) = 0, then

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  14. Let f(x) = max. {|x^2 - 2 |x||,|x|} and g(x) = min. {|x^2 - 2|x||, |x|...

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  15. Let g(x)=[(3x^2-4sqrtx+1, x<1),(ax+b, x>=1)) If g(x) is continuous and...

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  16. Let f(x) be continuous and differentiable function for all reals and f...

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  17. Let [x] be the greatest integer function f(x)=(sin(1/4(pi[x]))/([x])) ...

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  18. If f(x) = {{:(b([x]^(2)+[x])+1",","for",x ge -1),(sin(pi(x+a))",","for...

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  19. If both f(x) & g(x) are differentiable functions at x=x0then the fun...

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  20. Number of points of non-differentiability of the function g(x) = [x^2...

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