Determine the indefinite integral. Check your work by differentiation.
dx
A. -
-
+ C
B. -
-
+ C
C. -
+
+ C
D. -5x4 - 5x5 + C
Answer: B
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Solve the problem.Suppose a rumor starts among 3 people in an office building. That is, y0 = 3. Suppose 600 people work in the building and 30 people have heard the rumor in 2 days. Write an equation for the number who have heard the rumor in t days. Assume that the rate of spread of the rumor satisfies the logistic equation: = k
y, where N is the size of the population and y is the number who have heard the rumor after t days.
A. y =
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C. y =
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A. Yes B. No