anonymous
  • anonymous
A fireworks company has two types of rockets called Zinger 1 and Zinger 2. The polynomial -16t^2 +150t gives the height in feet of Zinger 1 at t seconds after launch. The polynomial: -16t2 + 165t gives the height of Zinger 2 at t seconds after launch. If the rockets are launched at the same time and both explode 6 seconds after launch, how much higher is Zinger 2 than Zinger 1 when they explode?
Mathematics
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
if -16t^2 +150t gives the height after t seconds, what is the height after 6 seconds, for zinger 1?
anonymous
  • anonymous
lets take a simpler example. suppose you are traveling at 10 feet per second, what does that mean?
anonymous
  • anonymous
I think i figured it out. zinger2 -zinger1 = (-16t^2 +165t) - (-16t^2 +150t) = 15t then plug in 6 15*6 = 90

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anonymous
  • anonymous
exactly! very good!

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