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. For what days does f estimate the population to be 8550?
A. July 12th
B. July 14th
C. July 13th
D. July 11th
Answer: A
Mathematics
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Provide an appropriate response.Over what intervals of x-values, if any, does the function y = 
decrease as x increases? For what values of x, if any, is y ' negative? How are your answers related?
What will be an ideal response?
Mathematics
Multiply and write answer in lowest terms.5
× 9
× 8
A. 365
B. 
C. 360
D. 445
Mathematics
Factor the binomial completely.81 - w2
A. (9 - w)2 B. (9 + w)2 C. prime D. (9 - w)(9 + w)
Mathematics
Solve the quadratic equation by any method.x2 + 12x = 0
A. -12 ± 
B. -1, -12
C. -12, 0
D. 12, 0
Mathematics