document.write( "Question 478060: Give the domain, range, and zeros of the function f(x)=sqrt(9-x^2)\r
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Algebra.Com's Answer #327582 by lwsshak3(11628)\"\" \"About 
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Give the domain, range, and zeros of the function f(x)=sqrt(9-x^2)
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\n" ); document.write( "f(x)=sqrt(9-x^2)
\n" ); document.write( "Given equation is for the upper half of a circle with radius 3
\n" ); document.write( "domain:
\n" ); document.write( "radican≥0
\n" ); document.write( "9-x^2≥0
\n" ); document.write( "(3+x)(3-x)≥0
\n" ); document.write( "number line
\n" ); document.write( "<...-....-3....+....3....-.....>
\n" ); document.write( "Domain:[-3,3]
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\n" ); document.write( "Range: [0,3]
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\n" ); document.write( "Zeros:
\n" ); document.write( "9-x^2=0
\n" ); document.write( "x^2=±9
\n" ); document.write( "x=±√9=±3
\n" ); document.write( "x=3
\n" ); document.write( "or
\n" ); document.write( "x=-3
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