Let Q represent a mass of carbon 14 (14C) (in grams), whose half-life is 5715 years. The quantity of carbon 14 present after t years is given by the following. Q = 13

1
2
t/5715

(a) Determine the initial quantity (when t = 0).
g

(b) Determine the quantity present after 2000 years. (Round your answer to two decimal places.)
g

(c) Sketch the graph of the function over the interval t = 0 to t = 10,000.