document.write( "Question 435111: 1)Given f(X)= x³-5x:
\n" ); document.write( "a)Use the leading coefficient test to determine the end result behavior of the graph of f(x)
\n" ); document.write( "b)Find the zeros of f(x)
\n" ); document.write( "c)Demonstrate the remaining steps necessary for graphing this function and use this information to graph f(x).
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Algebra.Com's Answer #301233 by stanbon(75887)\"\" \"About 
You can put this solution on YOUR website!
1)Given f(X)= x³-5x:
\n" ); document.write( "a)Use the leading coefficient test to determine the end result behavior of the graph of f(x)
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\n" ); document.write( "As x goes to -inf, x^3 goes to -inf, so f(X) goes to -inf.
\n" ); document.write( "As x goes to +inf, x^3 goes to +inf, so f(X) goes to +inf.
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\n" ); document.write( "b)Find the zeros of f(x)
\n" ); document.write( "Solve x^3-5x = 0
\n" ); document.write( "x(x^2-5) = 0
\n" ); document.write( "x(x-sqrt(5))(x+sqrt(5)) = 0
\n" ); document.write( "x = 0 or -sqrt(5) or +sqrt(5)
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\n" ); document.write( "c)Demonstrate the remaining steps necessary for graphing this function and use this information to graph f(x).
\n" ); document.write( "y-intercept = 0^3-5*0 = 0
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\n" ); document.write( "Other analysis depends on what your text requires.
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\n" ); document.write( "\"graph%28400%2C300%2C-10%2C10%2C-10%2C10%2Cx%5E3-5x%29\"
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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