Solve the problem.An endangered species of fish has a population that is decreasing exponentially
The population 5 years ago was 1500. Today, only 1000 of the fish are alive. Once the population drops below 100, the situation will be irreversible. When will this happen, according to the model? Round to the nearest whole year.
A. 27 years from today
B. 30 years from today
C. 28 years from today
D. 29 years from today
Answer: C
Mathematics
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The graph of a function f is given. Use the graph to answer the question.What is the domain of f?
A. {x|x ? 0} B. {x|-4 ? x ? 5.5} C. all real numbers D. {x|-5 ? x ? 5}
Mathematics
Factor out the polynomial GCF.r(s - 1) + 9(s - 1)
A. r(s - 1) + 9 B. 9r(s - 1) C. (r - 9)(s + 1) D. (r + 9)(s - 1)
Mathematics
Solve the equation.
- 
= 0
A. 
B. 
C. 
D. 
Mathematics
Calculate.4.345 - 
A. 3.476 B. 3.545 C. 0.069 D. 5.145
Mathematics