What is the range of the relation (–2, 4), (3, –2), (1, 0), (5, 5)? a. {–2, 3, 1, 5} b. {4, –2, 0, 5} c. {–2, 4, 5, –2} d. {–2, –1, 0, 5}

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