document.write( "Question 600619: Michael runs 3.5 miles in 30 minutes. If he continues at this rate for 2 hours, determine his rate of change. \n" ); document.write( "
Algebra.Com's Answer #379408 by Alan3354(69443)\"\" \"About 
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Michael runs 3.5 miles in 30 minutes. If he continues at this rate for 2 hours, determine his rate of change.
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\n" ); document.write( "It's not clear what you mean.
\n" ); document.write( "Rate of change of what?
\n" ); document.write( "His rate of change of position is 7 mi/hr.
\n" ); document.write( "The rate of change of his speed is zero.
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