Chromatically applied. There are eight radio stations broadcasting in your region of the state. The graph shows each station as a vertex, with an edge drawn between pairs of stations that are too close to be assigned the same radio frequency. How many different frequencies do you need in order to insure that there will be no interference between stations?

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Chapter 6 Solutions
The Heart of Mathematics: An Invitation to Effective Thinking, WileyPLUS NextGen Card with Loose-leaf Set Single Semester: An Invitation to Effective Thinking (Key Curriculum Press)
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