document.write( "Question 1072330: f(x)=2.5x-10.5 substitute 2 for x \n" ); document.write( "
Algebra.Com's Answer #687232 by stanbon(75887)\"\" \"About 
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f(x)=2.5x-10.5 substitute 2 for x
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\n" ); document.write( "f(2) = 2.5*2 - 10.5 = 5 - 10.5 = -5.5
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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