Asked by T
I need some help with this math problem:
Let n be the number of oil refineries at t years since 2005. A reasonable model of oil refineries is n= -2.23t + 210.53. What is the slope of this model? What does it mean in this situation?
Let n be the number of oil refineries at t years since 2005. A reasonable model of oil refineries is n= -2.23t + 210.53. What is the slope of this model? What does it mean in this situation?
Answers
Answered by
Steve
recall that the slope-intercept form of a line is
n = mt+b
where m is the slope. Here, that is -2.23
It means that the number of refineries is declining by 2.23 per year, or about 9 refineries every 4 years.
n = mt+b
where m is the slope. Here, that is -2.23
It means that the number of refineries is declining by 2.23 per year, or about 9 refineries every 4 years.
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