document.write( "Question 179189: I need help solving this problem step by step. Can you help?
\n" ); document.write( "Find a formula for a function f for which f(-2) = 3.\r
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Algebra.Com's Answer #134138 by Mathtut(3670)\"\" \"About 
You can put this solution on YOUR website!
sure:
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\n" ); document.write( "basically x+a has to equal 3
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\n" ); document.write( "x+a=3
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\n" ); document.write( "if our case we know that x is -2
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\n" ); document.write( "-2+a=3
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\n" ); document.write( "a=5
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\n" ); document.write( "so f(x)=x+5
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\n" ); document.write( "f(-2)=-2+5=3
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