document.write( "Question 971185: if f(x)=x^2-7x-4, then the value of f(2x+1)is\r
\n" ); document.write( "\n" ); document.write( "a. 3x^2-18x+3
\n" ); document.write( "b. 4x^2+18x-3
\n" ); document.write( "c. 4x^2-10x-10
\n" ); document.write( "d. x^2+7x-3
\n" ); document.write( "

Algebra.Com's Answer #593726 by reviewermath(1029)\"\" \"About 
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if f(x)=x^2-7x-4, then the value of f(2x+1)is
\n" ); document.write( "a. 3x^2-18x+3
\n" ); document.write( "b. 4x^2+18x-3
\n" ); document.write( "c. 4x^2-10x-10
\n" ); document.write( "d. x^2+7x-3\r
\n" ); document.write( "\n" ); document.write( "Solution:
\n" ); document.write( "f(2x+1) = (2x+1)^2-7(2x+1)-4
\n" ); document.write( " = (4x^2 + 4x + 1) - 14x - 7 - 4
\n" ); document.write( " = 4x^2 - 10x - 10
\n" ); document.write( "Answer: c. 4x^2-10x-10
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