point(s) possible The concentration, C, of phenylbutazone, in micrograms per milliliter (ug/ml.), in the plasma of a calf injected with this anti-inflammatory agent is given approximately by C(t) = 42.39 e -0.01051 w 50 AC the injection and Osts 120 oil, where t is the number of hours after 0 of a) Given that the model is accurate for Osts 120, what is the initial dosage? 40- b) What is the average amount of phenylbutazone in the calf's body for the time between 5 and 120 hours? 30- 0 of 22 20- 10- O - 0 of 34 qu 40 80 120 0 of 29 ques a) The initial dosage is ug/ml 0 of 27 questic (Type an integer or a decimal.) b) The average amount of phenylbutazone in the call's body for the time between 5 and 120 hours is jug/ml (Round the final answer to two decimal places as needed. Round all intermediate values to six decimal places as needed ) 0 of 19 questions 0 of 20 questions Next P 4x 5 11:3 28/