document.write( "Question 453978: Identify a function that is linear.
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document.write( "answer choices:
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document.write( "a) f(x) = 5x − 9
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document.write( "b) f(x) = 2x^2 + 3
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document.write( "c) f(x) = -4/(x+1)
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document.write( "d) f(x) = (x^5) − 9 \n" );
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Algebra.Com's Answer #311801 by richwmiller(17219)![]() ![]() You can put this solution on YOUR website! linear means no powers greater than one \n" ); document.write( "b and d have powers greater than one \n" ); document.write( "function means one y for each x \n" ); document.write( "if you graph c you will see it is not a line\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |