SOLUTION: In 2004 there were 6675 hybrid vehicles in use. In 2007, there were 7166 hybrid vehicles in use. Find the equation describing the relationship between time and number of hybrid veh

Question 155307: In 2004 there were 6675 hybrid vehicles in use. In 2007, there were 7166 hybrid vehicles in use. Find the equation describing the relationship between time and number of hybrid vehicles. Make sure you use ordered pairs of the form (years past 1998, number of vehicles)
Y=
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
In 2004 there were 6675 hybrid vehicles in use.
In 2007, there were 7166 hybrid vehicles in use.
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Find the equation describing the relationship between time and number of hybrid vehicles. Make sure you use ordered pairs of the form (years past 1998, number of vehicles)
----------------
Pairs: (6,6675) (9,7166)
slope = (7166-6675)/(9-6) = 163.67
intercept: 7166 = 163.67*9 + b; b = 5293
----------------------------
EQUATION:
Y= 163.67x + 5293
-------------------
Cheers,
Stan H.

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