Answer:
B
Step-by-step explanation:
Square root of 100 is 10
The area is be at least (because the bear could continue walking while the people start looking) 8 square miles, because 2 miles per hour, times, 4 hours of walking this fast is 8 miles. But because it is any direction it has to be squared (because you are finding area). -8 miles^2
The picture shows that the line is curved which means that it is non-linear, if it was linear the line would be straight.