Solve the problem.The number of employees of a company, N(t), who have heard a rumor t days after the rumor is started is given by the logistic equation What is the rate of change N'(t) ?

A. N'(t) =  
B. N'(t) = 
C. N'(t) =  
D. N'(t) =  


Answer: D

Mathematics

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Solve the problem.In a certain animal species, the probability that a female will have 0, 1, 2, 3, or 4 offspring in a given year is .31, .21, .19, .17, and .12 respectively. Find the expected number of offspring.

A. 1.75 B. 2 C. 1.58 D. 1.38

Mathematics

Expand, where i2 = -1.(4 + i)4

A. 353 + 272i B. 272 + 353i C. 161 + 240i D. 240 + 353i

Mathematics

Factor completely. If the polynomial cannot be factored, write "prime."9x2 + 6x - 8

A. (9x - 2)(x + 4) B. (9x - 2)(x - 8) C. (3x - 2)(3x + 4) D. (3x + 2)(3x - 4)

Mathematics

Find the three measures of central tendency (the mean, median, and mode).1, 6, 9, 14, 20 mean =__________median =__________mode =__________? Answer no mode if needed.

What will be an ideal response?

Mathematics