Factor the expression completely. If the polynomial is prime, state this as your answer.r2 - 2rt + t2
A. (r + t)2
B. prime
C. (r - t)(r + t)
D. (r - t)2
Answer: D
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Provide an appropriate response.Poaching is causing a population of elephants to decline by 5% per year. Use the approximate half-life formula to determine the fraction that remains in 59 years if there are 8661 elephants today.
A. 18,250 elephants B. 4829 elephants C. 467 elephants D. 8243 elephants
Determine which one of the p-series below is convergent.
What will be an ideal response?
Provide an appropriate response.Initially, three are 50 milligrams of a radioactive substance. The substance decays according to the equation N = 50e-0.01t, where N is the number of milligrams present after t hours. The number of hours it takes for 10 milligrams to remain is
A. 
.
B. - 
.
C. - 
.
D. - 
.
E. 50e-0.1.
Provide an appropriate response.Can anything be said about the graph of a function y = f(x) that has a second derivative that is always equal to zero? Give reasons for your answer.
What will be an ideal response?