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dddan Group Title

please help! what is the domain and range for x+2= square root of y?

  • 2 years ago
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  1. jarobins Group Title
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    domain is all real numbers range i all numbers greater than 0

    • 2 years ago
  2. dddan Group Title
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    thank you. can you explain?

    • 2 years ago
  3. jarobins Group Title
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    so, sqrt(y) = x+2 is the same as y = (x + 2)^2

    • 2 years ago
  4. jarobins Group Title
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    there are no numbers that cant be pluged into x, so the domain is all real numbers

    • 2 years ago
  5. jarobins Group Title
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    but, you will only get positive numbers back, so the range is all real numbers greater than 0

    • 2 years ago
  6. dddan Group Title
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    thank you so much!

    • 2 years ago
  7. jarobins Group Title
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    np

    • 2 years ago
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