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anonymous

  • 5 years ago

dtermine the domain and range of the following relation. y=square x-7

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  1. anonymous
    • 5 years ago
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    Range is greater then or equal to -7 Domain is all real numbers

  2. anonymous
    • 5 years ago
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    do you mean y=sqrt(x-7) (square root)

  3. anonymous
    • 5 years ago
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    Oh I didn't think of that Kizzy, can you rewrite the question using the equation mode

  4. anonymous
    • 5 years ago
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    y=\[y=\sqrt{x-7}\]sqrt{x-7}\]

  5. anonymous
    • 5 years ago
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    then the range is greater than or equal to 0 and the domain is x greater than or equal to 7

  6. anonymous
    • 5 years ago
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    square root is positive, and the inside of the square root need to be positive if we're dealing with real numbers

  7. anonymous
    • 5 years ago
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    Yes that is right Originally I thought you meant \[Y = \sqrt{X} -7\]

  8. anonymous
    • 5 years ago
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    yeah parenthesis are important

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spraguer (Moderator)
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