N. It seems like my calculations are off it feels like it should be going down not up. where is my mistake?

The concentration, C. of phenylbutazone, in micrograms per milliliter (pgimL), in the plasma of a calf injected with this anti-inflammatory agent is given approximately by C() = 42.47 2 - 0.010571 ". where t is the number of hours after the injection and Osts 120. Given that the model is accurate for 0 sts 120, what is the initial dosage? What is the average amount of phony butazone in the calf's body for the time between 10 and 120 hours? 120 a) The Initial dosage is 14.77 pomL (Type an integer or a decimal) b) The average amount of phenylbutazone in the calf's body for the time between 10 and 120 hours is 26 37 pgiml [Round the final answer to two decimal places as needed. Round all intermediate values to six decimal places as needed )