document.write( "Question 408858: Sketch the graph for each function
\n" ); document.write( "a. f (x) = x2
\n" ); document.write( "b. f (x) = x2 + 4x
\n" ); document.write( "c. f (x) = x2 − 4x + 3
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Algebra.Com's Answer #287927 by ewatrrr(24785)\"\" \"About 
You can put this solution on YOUR website!

\n" ); document.write( "Hi, Previously posted.
\n" ); document.write( "Using the vertex form of a parabola, \"y=a%28x-h%29%5E2+%2Bk\" where(h,k) is the vertex
\n" ); document.write( "a. f (x) = x^2 |Parabola: Vertex Pt(0,0). y-axis the line of symmetry
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\n" ); document.write( "b. f(x) = x^2+4x = (x+2)^2-4 |Parabola: Vertex Pt(-2,-4). x = -2 the line of symmetry
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\n" ); document.write( "c. f(x) = x^2-4x +3 = (x-2)^2 -1 |Parabola: Vertex Pt(2,-1). x = 2 the line of symmetry
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