Jerome solved the equation 1
2 answers:
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Answer:
The maximum distance to the nearest kilometer between Westford and Centerville is 111.43 km.
Step-by-step explanation:
Local train stats:
Rate = 60 km/h
Distance = x km
Time = x/60 hours
Express train stats:
Rate = 80 km/h
Distance = km
Time = hours
Now we will equate both the times.
x = 83.57 km
km
Hence, the maximum distance to the nearest kilometer between Westford and Centerville is 111.43 km.
Given that,
To find,
The domain of f(x).
Solution,
We have,
To find domain,
The term under the square root must be positive or null as follows :
Adding 3 both sides
So, the domain is x-3>0 .