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NEST2023MathematicsContinuity and Differentiability

Define sgn (x)= cases 1, & if x 0, -1, & if x 0, 0, & if x=0 . cases Let f: R R be the function defined by f(x)=(x- 5 ) sgn (x^2-5 ) . Then the number of discontinuities of f is

Options

  1. A0
  2. B1
  3. C2
  4. D3

Correct answer

B. 1

Step-by-step solution

No solution available.

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