Multiple Choice
In the diagram, S represents the position of a power relay station located on a straight coast, and E shows the location of a marine biology experimental station on an island. A cable is to be laid connecting the relay station with the experimental station.
If the cost of running the cable on land is $2.00/running foot and the cost of running the cable under water is $5.20/running foot, locate the point P that will result in a minimum cost (solve for x) .
A)
B)
C)
D)
E)
Correct Answer:

Verified
Correct Answer:
Verified
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