Timelimit: 2 hours. 1:41:29 remaining. [x] The resale value R (in dollars) of a particular type of laser cutting tool t years after its initial purchase is approximated by R(t) = 300, 000e - 0.25t Find and interpret the rate at which the resale value is changing. a. What is the decay rate of the resale value? Note: The decay rate will be negative. b. 1 year after the initial purchase. R' (1) = c. 20 years after the initial purchase. R' (20) = Points possible: 1 License Unlimited attempts