This model is of the form f(x) = mx + b. Determine what m and b signify.The population, in millions, of a city t years after 1990 is given by 
A. 2.7 million is the population of the city in 1990 and 0.10 million is the decrease per year in the population .
B. 0.10 million is the population of the city in 1990 and 2.7 million is the increase per year in the population .
C. 2.7 million is the population of the city in 1991 and 2.8 million is the population in 1992.
D. 2.7 million is the population of the city in 1990 and 0.10 million is the increase per year in the population .
Answer: D
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Solve the problem.A population bureau projects that the approximate population of a certain city will grow according to the function: f(x) = 124,000(2)0.0134xwhere x = 0 represents the year 2000, x = 25 represents 2025 and so on. According to this model what will the population of the city be in the year 2025?
A. 1,264,364 B. 83,080 C. 156,411 D. 189,035
Solve. Remember to insert units when writing your answer.A cab driver paid $27.88 to fill his car with 62.8 liters of gasoline. Find the price per liter of the gasoline to the nearest tenth of a cent.
A. $4.440 B. $0.225 C. $2.252 D. $0.444
Solve the problem.Rounded to three decimal places, 
(where ? is the golden ratio) equals
A. 2.142. B. -0.618. C. 1.618. D. 0.618. E. none of these
The bar graph shows the number of tickets sold each week by the garden club for their annual flower show.?
During which week did the garden club sell the fewest tickets?
A. week 4 B. week 2 C. week 6 D. week 5