y intervals thereafter. After t months, the average score S(t). as a 9 equation. where ta 0' Complete parts (a) through (a) below. a) What was the average score when they initially took the test? The average score Was [1%. (Round to one decimal place as needed.) b) What was the average score after 4 months? The average score aer 4 months was [3%. (Round to one decimal place as needed.) r3. c) What was the average score after 24 months? The average score after 24 months was D%. (Round to one decimal piaoe as needed.) at) Find s'(t).. ' 5WD 0) Find S'(4) and S'(24). and interpret the meaning of these numbers. S'(4)= D, which means that after4 months. the average score is E by [I points a month and S'(24) = D, which means that after 24 months, the f l average score is E by D points a month. i a (Tunn- x'A-'A .. A--I..._I_ \\