Limits and Continuity in Calculus
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Questions and Answers

The function f(x) = (1 + x if x ≤ 2) and f(x) = (5 - x if x > 2), is

  • continuous for all values of x except x = 2 (correct)
  • continuous for all values of x
  • continuous for all at x = 0
  • discontinuous at x = 0
  • discontinuous at x = 2 (correct)
  • Lim (1 + x) ^ (1/x) is equal to

  • none of their
  • π
  • e (correct)
  • The function f(x) = |x| is

  • continuous for all x (correct)
  • discontinuous at x = 0 only
  • discontinuous for all x except x = 0
  • discontinuous for all x
  • Let f(x) = Sin x when x≠0 then the value of f(0) so that f(x) becomes (continuous at x = 0)

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    Study Notes

    Limits and Continuity

    • Limit of (1+x)/y as x approaches 0 is 1
    • Limit of (1/x) as x approaches 0 is undefined
    • Limit of e^x as x approaches 0 is e^0 = 1
    • Limit of [(1+x)^x] as x approaches 0 is e
    • Function f(x) = cos x for x >= 0 and -cos x for x < 0 is continuous for all x except x = 0
    • Function that is (1+x) for x<=2 and (-5+x) for x>2 is continuous for all values of x except x=2
    • Function f(x) = |x| is continuous for all x except x =0
      • It is discontinuous at x = 0 only
    • Function f(x) = sin x / x when x is not equal to 0 will be continuous at x = 0 if f(0) = 0

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    Description

    Test your understanding of limits and continuity with this quiz. Explore various limits, including undefined limits and continuous functions. Assess your knowledge on key concepts and their applications in calculus.

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