The yield V (in pounds per acre) for an orchard at age t (in years) is modeled by the function below.
V = 7945.6e−0.0452/t
At what rate is the yield changing at each of the following times? (Round your answers to two decimal places.)
(a) t = 5 years

Incorrect: Your answer is incorrect.
seenKey 14.24 pounds per acre per year

(b) t = 10 years
pounds per acre per year

(c) t = 25 years
pounds per acre per year

Can someone help me with this problem please:)

Question

The yield V (in pounds per acre) for an orchard at age t (in years) is modeled by the function below.
V = 7945.6e−0.0452/t
At what rate is the yield changing at each of the following times? (Round your answers to two decimal places.)
(a)    t = 5 years
  
Incorrect: Your answer is incorrect.
  seenKey 14.24  pounds per acre per year

(b)    t = 10 years
  pounds per acre per year

(c)    t = 25 years
  pounds per acre per year

Can someone help me with this problem please:)