anonymous
  • anonymous
how to find the domain for xsquareroot(4-x^2)?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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amistre64
  • amistre64
well, 4-x^2 cant be less than zero.
amistre64
  • amistre64
sqrt(-#) is verbotten
amistre64
  • amistre64
4-x^2 >= 0 -x^2 >= -4 x^2 <= 4 x <= +- sqrt(4) x <= -2 and x <=2 but its wise to double check ;)

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amistre64
  • amistre64
Dom: [-2,2] looks about right to me
amistre64
  • amistre64
<........-2............2............> - 0 + 0 - are our results right?
anonymous
  • anonymous
\[-2lex \ge\]
anonymous
  • anonymous
oops dw about that i pressed s9mething wrong
anonymous
  • anonymous
THANK YOU AMISTRE64

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