mework c How fast was the sample decaying after 6 hours d When was the sample decaying at the rate of 2 grams per hour a After 1 hour there were g remaining Round to the nearest integer as needed Part 1 of 4 A sample of radioactive material decays over time measured in hours with decay constant 2 The graph of the exponential function y P t shown on the right gives the number of grams remaining after t hours a How much was remaining after 1 hour b Approximate the half life of the material O C Points 0 of 1 975 3 1 P 4 3 5 7 Sav 9