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Black Book Advanced Problems in MathematicsMathematicsContinuity and Differentiability

If f(x) is a continuous function , x R and the range of f(x) is (2, 26 ) and g(x) = [ f(x) C ] is continuous , x R , then the least positive integral value of C is : (where [ ] denotes the greatest integer function.)

Options

  1. A3
  2. B5
  3. C6
  4. D7

Correct answer

C. 6

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