document.write( "Question 201680: Evaluate the function.\r
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document.write( "given that f(x) = sqrt (-5x) , find f(-k).
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document.write( " A) sqrt (kx)
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document.write( " B) sqrt (5k)
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document.write( " C) sqrt (-5k)
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document.write( " D) sqrt (-kx)
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Algebra.Com's Answer #151932 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! Evaluate the function. \n" ); document.write( "given that f(x) = sqrt (-5x) , find f(-k). \n" ); document.write( "------------ \n" ); document.write( "Sub -k for x \n" ); document.write( "f(-k) = sqrt(-5*-k) \n" ); document.write( "f(-k) = sqrt(5k) \n" ); document.write( " \n" ); document.write( " |