SOLUTION: The net amount of electricity produced in the U.S. (in billions of kilowatt hours) is approximated by function f(x)=68.6x+3009, where x=1 corresponds to 1996. Using the model,

Question 328157: The net amount of electricity produced in the U.S. (in billions of kilowatt hours) is approximated by function f(x)=68.6x+3009, where x=1 corresponds to 1996.
Using the model, find the year in which energy consumption firest exceeds 4300 billion kilowatt hours.
Answer by checkley77(12844) (Show Source): You can put this solution on YOUR website!
f(x)=68.6x+3009
4,300=68.6x+3,009
68.6x=4,300-3,009
68.6x=1,291
x=1,251/68.6
x=18.8
1996+18.8=2014.8 is the year with 4,300 billion KWH.
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