document.write( "Question 995229: the function f(x) varies directly with x and f(x) = 24 when x = -4 what is f(x) when x = 12? \n" ); document.write( "
Algebra.Com's Answer #614003 by josgarithmetic(39617)\"\" \"About 
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\"f%28x%29=kx\" and \"24=k%28-4%29\".
\n" ); document.write( "Find k and find f(12).
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