Solve the problem.The total spending of a city government has increased approximately linearly from $1.9 million in year 6 to $3.9 million in year 16. Let s be the total spending (in millions of dollars) at t years. Find an equation of a linear model to describe the data.
A. s = 0.2t - 397.3
B. s = 5t - 28.1
C. s = -0.2t + 3.1
D. s = 0.2t + 0.7
Answer: D
Mathematics
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