document.write( "Question 43111: -8x - 5y = -45 as a function of x.\r
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document.write( "Options:\r
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document.write( "A)f(x)=8x + 9\r
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document.write( "B)f(x) = -8/5 + 9\r
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document.write( "c)f(x) = 5/8x - 45\r
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document.write( "d)f(x) = -8x + 45 \n" );
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Algebra.Com's Answer #28140 by tutorcecilia(2152)![]() ![]() You can put this solution on YOUR website! \n" ); document.write( "A function of x can be written as f(x) or y. So you are solving for y. \n" ); document.write( "-8x - 5y = -45 \n" ); document.write( "-8x+8x-5y=+8x-45 \n" ); document.write( "-5y=+8x-45 \n" ); document.write( ". \n" ); document.write( "-5y/-5=+8x/-5-45/-5 \n" ); document.write( ". \n" ); document.write( "y=(-8/5)x+9 \n" ); document.write( " |