document.write( "Question 249103: directions
\n" ); document.write( "find the rate of change for the sitution.\r
\n" ); document.write( "\n" ); document.write( "you run 7 miles in one hour and 21 miles in three hours?\r
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Algebra.Com's Answer #181493 by stanbon(75887)\"\" \"About 
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find the rate of change for the sitution.
\n" ); document.write( "you run 7 miles in one hour and 21 miles in three hours?
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\n" ); document.write( "You have 2 points (1,7) and (3,21)
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\n" ); document.write( "rate of change = (21-7)/(3-1) = 15/2 = 7 mph
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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