An artifact was found to have an original amount of Carbon-14 of 32 grams. Approximately how many grams of Carbon-14 remain after 4300 years? Carbon 14 decays at a rate of -0.00012 grams per year.
9.6 grams
19.1 grams
22.4 grams
31.2 grams
In Texas, the population of a species of bats is decreasing at a rate of -0.121 per year. The population was 34,000 in 2000. According to the function, A(t) = A0e(kt) , what is the predicted population in 2015?
1,130
5,536
10,130
15,536
Choose the correct domain for f(x) = ex -2
(-∞,∞)
(0,∞)
[0,∞)
(-∞,0)
