document.write( "Question 509142:
\n" ); document.write( "if f(x)=x^2 + 3x then f(-2) =10............true or false?
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Algebra.Com's Answer #341277 by swincher4391(1107)\"\" \"About 
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False.\r
\n" ); document.write( "\n" ); document.write( "(-2)^2 + 3(-2) = 4 + -6 = -2
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