document.write( "Question 1202317: f(x)=3x+2,state the domain and range \n" ); document.write( "
Algebra.Com's Answer #837053 by math_tutor2020(3817)\"\" \"About 
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\n" ); document.write( "Answers:
\n" ); document.write( "Domain = set of all real numbers
\n" ); document.write( "Range = set of all real numbers\r
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\n" ); document.write( "\n" ); document.write( "Graph:
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\n" ); document.write( "The graph stretches forever to the left and right. This is a visual confirmation the domain is the set of any real number. We can replace x with any number to get some output y = f(x).\r
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\n" ); document.write( "\n" ); document.write( "The graph stretches forever up and down, which gives visual confirmation of the range being the set of all real numbers. \r
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\n" ); document.write( "\n" ); document.write( "If your teacher wants interval notation, then,
\n" ); document.write( "Domain is (−∞, ∞)
\n" ); document.write( "Range is (−∞, ∞)
\n" ); document.write( "Both result in the same interval notation.\r
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\n" ); document.write( "\n" ); document.write( "If instead inequalities are required, then,
\n" ); document.write( "Domain: −∞ < x < ∞
\n" ); document.write( "Range: −∞ < y < ∞
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