Determine whether the function is a probability density function over the given interval.f(x) = 
, 8 ? x ? 12
A. Yes
B. No
Answer: A
Mathematics
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Evaluate the function at the indicated value.Find f(-1) when f(x) = 
.
A. - 
B. - 
C. - 
D. 
Mathematics
Provide the proper response.True or False? A hyperbola has eccentricity 1.
A. True B. False
Mathematics
Perform the indicated operation. Simplify if possible.
- 
A. 
B. 
C. 
D. 
Mathematics
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 11th B. July 14th C. July 13th D. July 12th
Mathematics