document.write( "Question 1073022: Given the function y=4x-x^2\r
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Algebra.Com's Answer #687847 by ikleyn(52818) $\"\"$ $\"About$

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document.write( "For the vertex, the problem was solved in \r\n" );
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document.write( "https://www.algebra.com/algebra/homework/Rational-functions/Rational-functions.faq.question.1073021.html\r\n" );
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document.write( "https://www.algebra.com/algebra/homework/Rational-functions/Rational-functions.faq.question.1073021.html\r\n" );
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document.write( "The intercepts are (0,0) and (4,0).\r\n" );
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document.write( "The x-intercepts are the roots of this quadratic equation\r\n" );
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document.write( "-x^2 + 4x = 0,\r\n" );
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document.write( "which is factored as x*(4-x) = 0  and immediately gives you the roots x =  and x = 4.\r\n" );
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document.write( "The y-intercept is the value of the function  at x = 0.\r\n" );
document.write( "This value is 0.\r\n" );
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