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suju101 Group Title

lim x-->4^- |x|/x and lim x-->0^- |x|/x

  • 2 years ago
  • 2 years ago

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  1. satellite73 Group Title
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    what does the ^ mean?

    • 2 years ago
  2. satellite73 Group Title
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    oh never mind i got it. limit from the right and left

    • 2 years ago
  3. satellite73 Group Title
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    first one is \[\frac{4}{4}=1\]

    • 2 years ago
  4. satellite73 Group Title
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    second one is \[\frac{-x}{x}=-1\]

    • 2 years ago
  5. satellite73 Group Title
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    because you are taking the limit as x goes to zero from below, which means that x is negative, which makes |x| = -x

    • 2 years ago
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spraguer (Moderator)
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is replying to Can someone tell me what button the professor is hitting...

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