Find the sum.+43 + (+40)
A. -84
B. 3
C. 83
D. -83
Answer: C
Mathematics
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Find the limit.
e-x2 - y2
A. 1 B. 0 C. e-8 D. e8
Mathematics
Express as a single logarithm and, if possible, simplify.4 ln 
- 15 ln 
A. ln(x6 - y12)
B. ln 
C. ln 
D. ln 
Mathematics
Provide an appropriate response.Find: 
f(x)
Fill in the blank(s) with the appropriate word(s).
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 13th B. July 12th C. July 11th D. July 14th
Mathematics