Solve the problem.A population of birds in a small county can be modeled by the polynomial 
where x = 1 corresponds to July 1, x = 2 to July 2, and so on. On what day does f estimate the population to be 8550?
A. July 13th
B. July 11th
C. July 12th
D. July 14th
Answer: C
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Use reduction formulas to evaluate the integral.
A. - 
cot3 4x + 
cot 4x + x + C
B. - 
cot3 4x + 
cot 4x + C
C. - 
cot2 4x + 
cot 4x - x + C
D. - 
cot3 4x - 
cot 4x + x + C
Find the y-intercepts for the parabola whose equation is given. If the y-intercepts are irrational, round your answers to the nearest tenth.y = 2x2 + 4x - 48
A. y-intercept (0, -48) B. y-intercept (0, 4) C. y-intercept (0, 48) D. y-intercept (0, -6)
Find the expected value.Suppose that 1,000 tickets are sold for a raffle that has the following prizes: one $300 prize, two $100 prizes, and one hundred $1 prizes. What is expected value of a ticket?
A. $300 B. $0.60 C. $1 D. $100
Expand the expression using the Binomial Theorem.(x + 1)6
A. x6 + 6x5 + 30x4 + 120x3 + 360x2 + 720x + 720 B. x6 + 6x5 +30x4 + 120x3 + 30x2 + 6x + 1 C. x6 + 6x5 +15x4 + 20x3 + 15x2 + 6x + 1 D. x6 + 6x5 + 15x4 + 20x3 + 15x2 + 6x + 6