The graphs of fx) and g(x) are shown below. For what interval is the value of (f- g)(x) negative?
A. (-infinity,-1)
B. (-infinity, 2)
C. (0,3)
D. (2, infinity)

Situation: an archaelogist in turkey discovers a spear head that contains 54% of its original amount of c-14. n = noekt no = inital amount of c-14 (at time t = 0) n = amount of c-14 at time t k = 0.0001 t = time, in years find the age of the spear head to the nearest year