document.write( "Question 148456: Assume it costs 25 cents to mail a letter weighing once ounce or less, and then 20 cents for each additional ounce or fraction of an ounce. Let L(x) be the cost of mailing a letter weighing x ounces. Solve and graph y=L(x).\r
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document.write( "I started by doing y=L(x)+20 then I plugged in points for x. Am I headed in the right direction with this? \n" );
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Algebra.Com's Answer #108795 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Assume it costs 25 cents to mail a letter weighing once ounce or less, and then 20 cents for each additional ounce or fraction of an ounce. \n" ); document.write( "Let L(x) be the cost of mailing a letter weighing x ounces. Solve and graph \n" ); document.write( "y=L(x). \n" ); document.write( "I started by doing y=L(x)+20 then I plugged in points for x. Am I headed in the right direction with this? \n" ); document.write( "--------------------- \n" ); document.write( "The 20 gets added every time you add an ounce, so the 20 is the slope. \n" ); document.write( "--------- \n" ); document.write( "L(x) = 20(x-1)+25 \n" ); document.write( "------------- \n" ); document.write( " \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |