Solve the problem.In a town whose population is 3000, a disease creates an epidemic. The number of people, N, infected t days after the disease has begun is given by the functionN(t) = 
. Find the number of infected people after 10 days.
A. 2737 people
B. 2000 people.
C. 142 people
D. 1000 people
Answer: A
Mathematics
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The equation gives the position s = f(t) of a body moving on a coordinate line (s in meters, t in seconds). s (m)
What is the body's velocity when t = 6 sec?
A. -2 m/sec B. 1 m/sec C. 2 m/sec D. 3 m/sec
Mathematics
Using Green's Theorem, calculate the area of the indicated region.The circle r(t) = (6 cos t)i + (6 sin t)j, 0 ? t ? 2 ?
A. 2? B. 36? C. 6? D. 12?
Mathematics
Solve the system by elimination. x + 9y = -36 7x + 10y = -40
A. {(1, -5)} B. ? C. {(0, -4)} D. {(4, 0)}
Mathematics
State using percents.In a survey of 100 people, 1 preferred ketchup on their hot dogs. What percent preferred ketchup?
A. 0.01%
B. 1%
C. 
%
D. 0.1%
Mathematics