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) = e^{x} -2

(-∞,∞)

(0,∞)

[0,∞)

(-∞,0)

Guest Feb 9, 2019