anonymous
  • anonymous
locate the discontinuity y = 4/(9 + e^(7/x))
Mathematics
  • Stacey Warren - Expert brainly.com
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chestercat
  • chestercat
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watchmath
  • watchmath
x=0 only
anonymous
  • anonymous
could you explain
watchmath
  • watchmath
the function e^(7/x) is undefined at x=0, other than that e^(7/x) is continuous

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anonymous
  • anonymous
oh, so its discontinuous when the domain is undefined or zero?
watchmath
  • watchmath
That is one of the case where the function discontinuous. Remember that the function is continuous at x=c if \(\lim_{x\to c}f(x)=f(c)\). So if we can't evaluate f(c), i.e., f(c) is undefined then that immediatly implies that the function is discontinuous at x=c.
anonymous
  • anonymous
could you help with this _________discontinuity of y = ln((tan(x))2)

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