In the Analysis of Traffic Flow, a Certain City Estimates

question 135

Multiple Choice

In the analysis of traffic flow, a certain city estimates the following situation for the "square" of its downtown district. In the following figure, the arrows indicate the flow of traffic. If x₁ represents the number of cars traveling between intersections A and B, x₂ represents the number of cars traveling between B and C, x₃ the number between C and D, and x₄ the number between D and A, we can formulate equations based on the principle that the number of vehicles entering an intersection equals the number leaving it. That is, for intersection A we obtain Formulate equations for the traffic at B, C, and D. ​ ​

---

Definitions:

Euphoric

A feeling of intense excitement and happiness.

Genetically Linked

Refers to traits or conditions that are transmitted from parents to offspring through genes.

Bipolar Disorder

A mental health condition characterized by significant mood swings that include emotional highs (mania or hypomania) and lows (depression).

Genetic Markers

Specific sequences of DNA or alleles that can be used to identify individuals or species, often used in genetic research, population studies, and forensic analysis.