On a college campus of 10,000 students, a single student returned to campus infected by a disease. The spread of the disease through the student body is given by 
, where y is the total number infected at time t (in days). The school will shut down if 50% of the students are ill. What value of t corresponds to this percentage?
?
A. Infinity
B. 8.19
C. 9.30
D. 6.44
E. 3.96
Answer: C
Mathematics
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B. 9
C. 
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A. 
B. 6
C. 
D. 6
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Provide the proper response.Describe the graph of the equation (x - 9)2 + (y - 1)2 = 0.
What will be an ideal response?
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