Find the initial value a, growth/decay factor b, and growth/decay rate, for the following exponential function: Q(t)=0.0044(2.34) (a) The initial value is a = -4t help (numbers) (b) The growth factor is b = help (numbers) (Retain at least four decimal places.) (c) The growth rate is r = % help (numbers) (Ensure your answer is accurate to at least the nearest 0.01%) (Note that if r gives a decay rate you should have r < 0.)