document.write( "Question 35474: 3) It is approximately 480 miles from Los Angeles, California, to San Francisco, California. Allowing for various traffic conditions, a driver can average approximately 60 miles per hour.
\n" ); document.write( "a) Write a linear function that expresses the distance traveled, d, as a function of time, t.
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\n" ); document.write( "\n" ); document.write( "b) How far have you traveled after 4 hours?
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\n" ); document.write( "\n" ); document.write( "c) Write a linear function that expresses the distance to be traveled to reach San Francisco, s, as a function of time, t.
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\n" ); document.write( "\n" ); document.write( "d) How far will I need to travel to reach San Francisco after I have traveled 3 hours?
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Algebra.Com's Answer #21583 by Nate(3500)\"\" \"About 
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a.) Write a linear function that expresses the distance traveled, d, as a function of time, t.
\n" ); document.write( "d=60t
\n" ); document.write( "b.) How far have you traveled after 4 hours?
\n" ); document.write( "d=60t
\n" ); document.write( "d=60(4)
\n" ); document.write( "d=240
\n" ); document.write( "c.) Write a linear function that expresses the distance to be traveled to reach San Francisco as a function of time, t.
\n" ); document.write( "t=480/s where s is your speed
\n" ); document.write( "d.) How far will I need to travel to reach San Francisco after I have traveled 3 hours?
\n" ); document.write( "480 - (3*60) = d
\n" ); document.write( "300=d
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