anonymous
  • anonymous
√3x^2-21x find the domain and write in interval notation
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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Isaiah.Feynman
  • Isaiah.Feynman
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anonymous
  • anonymous
i understand the first 2 lines, kinda lost on the last line what you did?
Isaiah.Feynman
  • Isaiah.Feynman
I just solved for x from the second line, and I got two values 0 and 7. And actually the interval notation is [0,7].

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anonymous
  • anonymous
i got the 0 and 7 but why did you flip the signs in the box? on one side it says x is greater than(=) 7 and the box says x is less than (=) 7.
anonymous
  • anonymous
nevermind i just realized its because the negative was brought over. Thanks!

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