document.write( "Question 371286: Which of the following functions represents a cell phone bill if there is a monthly charge of 20 dollars plus 6 cents for each minute of use?
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document.write( "f(x) = 20 + 6x
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document.write( "f(x) = 20.06x
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document.write( "f(x) = 20 + 0.06x \n" );
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Algebra.Com's Answer #264513 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Which of the following functions represents a cell phone bill if there is a monthly charge of 20 dollars plus 6 cents for each minute of use? \n" ); document.write( "--------- \n" ); document.write( "The 20 is dollars \n" ); document.write( "Change 6 cents to 0.06 dollars \n" ); document.write( "------ \n" ); document.write( "Let \"x\" be # of minutes of use. \n" ); document.write( "---- \n" ); document.write( "Equation: \n" ); document.write( "Cost = 20 + 0.06x dollars \n" ); document.write( "Cost = 20.06x dollars \n" ); document.write( "-------------------------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "-------------------------- \n" ); document.write( "f(x) = 20 + 6x \n" ); document.write( "f(x) = 20.06x \n" ); document.write( "f(x) = 20 + 0.06x \n" ); document.write( " \n" ); document.write( " |