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anonymous

  • 5 years ago

what's the inverse of f(x)=|x+3| ?? x is > or = to -3

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  1. watchmath
    • 5 years ago
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    Since \(x\geq -3\) then \(|x+3|=x+3\). For \(y=x+3\) then \(x=y-3\). So \(f^{-1}(x)=x-3\)

  2. anonymous
    • 5 years ago
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    Thank, I'm always nervous about absolute value

  3. anonymous
    • 5 years ago
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    Thank you*

  4. anonymous
    • 5 years ago
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    watchmath got a second?

  5. watchmath
    • 5 years ago
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    sure, where do you want to talk?

  6. anonymous
    • 5 years ago
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    i want you to check a rather easy probability problem i just did which doesn't correspond to any of the multiple choice anwers the student gave.

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spraguer (Moderator)
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