anonymous
  • anonymous
How do you write an equation to represent data on a table?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
average gas prices from 2005-2015 in the U.S 2005- $2.31 2006- $ 2.61 2007-$ 2.84 2008-$ 3.29 2009-$ 2.49 2010-$ 2.83 2011-$ 3.57 2012-$ 3.60 2013-$ 3.57 2014-$ 3.34 2015-$ 2.64 thats my table and what i need to make an equation out of
FortyTheRapper
  • FortyTheRapper
Does it specify a form you need to make it in?
anonymous
  • anonymous
Nope thats the full question c. What equation models the data? What are the domain and range of the equation? Do you think your equation is a good fit for the data? Explain how you determined your answers.

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anonymous
  • anonymous
We can find the average slope between consecutive pairs of points, ignoring 2009 and 2010: 2005-2006: 31; 2006-2007: 23; 2007-2008: 45; 2008-2011: 27/3=9; 2011-2012: 7; 2012-2013: -11; 2013-2014: -38; 2014-2015: -108. If this were a parabola, we would expect the negative and positive slopes to be opposites after the maximum at 2012, but this doesn't appear to be the case. However, this points to a maximum for the range at $3.60. The domain goes from 2005 to 2015 and we don't have a satisfactory model for the figures.
anonymous
  • anonymous
How do you make a equation to model it though? It as in the data from my table
anonymous
  • anonymous
@Sorcerer ^
anonymous
  • anonymous
The equation is Y=0.04382X-85.1827, which represents the best model to fit the data, assuming a linear relationship.
anonymous
  • anonymous
Whats a "trend in the data" mean? is it like a pattern or what? That may be a stupid question but i just wanna make sure lol
FortyTheRapper
  • FortyTheRapper
^ Yep, pretty much
anonymous
  • anonymous
the trend is the pattern its not a stupid question ur just making sure what it means so a pattern
anonymous
  • anonymous
Thanks for the medal!!!! lets chat sometime u see like a cool person to talk to u. let me know i need any more help

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