In a certain city there is a river running through the middle of the city. There are three islands and seven bridges as shown in the figure below.
Which of the following statements is true?
A. The graph that models this situation has an Euler circuit.
B. The graph that models this situation has an Euler path starting on the South Bank and ending on the North Bank.
C. No edge in the graph that models this situation is actually a bridge.
D. All of these are true.
E. None of these are true.
Answer: C
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Multiply using the product rule.
? 
A. 5
B. 
C. 
D. 
Solve the problem.Use the data in the table to compute a logistic regression model for the population of the city t years after 1900. Then use your model to predict the city's population in 1980.
A. 3.9 million B. 4.2 million C. 4.7 million D. 4.5 million
Select the more reasonable temperature for the item.Making hot tea93°C93°F
A. 93°C B. 93°F