document.write( "Question 986163:  Given the cost function, C(x), and the revenue function, R(x), find the number of units x that must be sold to break even.\r
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document.write( "C(x) = 1.2x + 490
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document.write( "R(x) = 1.9x\r
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document.write( "a another example of a pretest coming up can you help me solve this step by step  \n" );
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| Algebra.Com's Answer #606965 by Boreal(15235)     You can put this solution on YOUR website! Breakeven means they are equal \n" ); document.write( "1.2x + 490=1.9x \n" ); document.write( "0.7 x=490 \n" ); document.write( "x=700 units \n" ); document.write( "; \n" ); document.write( "check \n" ); document.write( "1.2(700)+490=$1330 cost. \n" ); document.write( "1.9(700)=$1330 revenue. \n" ); document.write( " |