document.write( "Question 974106: Find f(-9)if f(x)={4x+1,if x<9
\n" ); document.write( " 9x, if 9 is less than or equal to x less than or equal to 13
\n" ); document.write( " 9-7x, if x>13
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Algebra.Com's Answer #597119 by Fombitz(32388)\"\" \"About 
You can put this solution on YOUR website!
Since \"-9%3C9\",
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