Solve the problem.The logistic growth model 
represents the population of a species introduced into a new territory after t years. When will the population be 60?
A. 13.02 yr
B. 12.24 yr
C. 1.54 yr
D. 2.33 yr
Answer: A
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Find the first three nonzero terms of the Taylor expansion for the given function and value of a.ln x (a = 1)
A. (x - 1) - 
(x - 1)2 + 
(x - 1)3 - ...
B. (x - 1) - 
(x - 1)2 + 
(x - 1)3 - ...
C. 1 + (x - 1) - 
(x - 1)2 + ...
D. 1 - (x - 1) + 
(x - 1)2 - ...
Simplify the polynomial by adding or subtracting, as indicated. Express your answer as a single polynomial in standard form.Subtract (5a - 1) from (4a + 8).
A. a - 9 B. -a + 9 C. -a + 7 D. 9a + 7
Provide an appropriate response.Identify a, b, and c after arranging the equation in standard form: 2x = x2
A. a = 1, b = -2, c = 0 B. a = 1, b = 0, c = -2 C. a = 2, b = -1, c = 0 D. a = 2, b = 0, c = -1
Divide and simplify.
A. 2x3y2 B. -2x1.6y1.66666667 C. -2x3y2 D. 12x3y2