anonymous
  • anonymous
can anyone help me with this question? the function d(s)=0.0056s^2 +14s models the stopping distance of a car, d(s), in metres, and the speed, s, in kilometres per hour. What is the speed when the stopping distance is 7m? Use a graph to solve.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
Graph the equation and find where y=7.
anonymous
  • anonymous
The x-value at that point would be the speed, since the stopping distance is the y-value.
anonymous
  • anonymous
thanks, do i need to factor first? cause i cant figure out what to factor out

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anonymous
  • anonymous
oh wait, the equation is 0.0056 and 0.014 not 14

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