document.write( "Question 151767This question is from textbook Elementary and Intermediate Algebra
\n" ); document.write( ": Bob and Betty simultaneously jump from two airplanes at different altitudes. Bob's altitude t seconds after leaving the plane is -16t^2+6600 feet. Betty's altitude t seconds after leaving the plane is -16t^2+7400 feet. Write a polynomial that represents that difference between their altitudes t seconds after leaving the planes. What is the difference between their altitudes 3 seconds after leaving the planes? \n" ); document.write( "

Algebra.Com's Answer #111597 by ankor@dixie-net.com(22740) $\"\"$ $\"About$

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Bob and Betty simultaneously jump from two airplanes at different altitudes. Bob's altitude t seconds after leaving the plane is -16t^2+6600 feet. Betty's altitude t seconds after leaving the plane is -16t^2+7400 feet. Write a polynomial that represents that difference between their altitudes t seconds after leaving the planes. What is the difference between their altitudes 3 seconds after leaving the planes?
\n" ); document.write( ":
\n" ); document.write( "d = difference
\n" ); document.write( "d = (-16t^2+7400) - (-16t^2+6600)
\n" ); document.write( "d = -16t^2 + 16t^2 + 7400 - 6600
\n" ); document.write( "d = 1800 ft, is the difference through-out the jump \n" ); document.write( "

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