document.write( "Question 1110467: Hello Online Tutors!
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document.write( "Here's my question:
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document.write( "Wendy babysits for the Crest family every Saturday night. She charges $10 per hour for the first 4 hours and 50% more for time after the first 4 hours. She is paid the full hourly rate for any part of an hour she works. Wendy's parents do not let her babysit for more than 8 hours. Draw a graph showing how much money Wendy can earn.\r
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document.write( "I know that this will be a step function, but I'm not that sure what to take 50% of.\r
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document.write( "Thank you to anyone that can help!
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document.write( "Amelia B. \n" );
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Algebra.Com's Answer #725442 by ikleyn(52781)![]() ![]() You can put this solution on YOUR website! . \n" ); document.write( " \r\n" ); document.write( "The coordinate system has \"hours\" as the horizontal axis and \"earned dollars\" as vertical axis.\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "The plot of the accumulated Wendy' salary consists of two straight line segmemts.\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "One segment, at 0 <= t <= 4 hours, is the straight line going from (0,0) with the slope of 10/1 per hour.\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "It comes to the point (t,Salary) = (4,40).\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "The second segment starts from this point (4,40) and going to the right and up with the slope 15/1.\r\n" ); document.write( "\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |