-5 1/2 + 6 3/4+ (-4 1/4)= -3
For this problem, you need to substitute 4 in for your variable t. the original equation is S(t) and the one you need is S(4) -- in other words, evaluate this equation when t = 4.
S(4) = 9(4) - 4
S(4) = 36 - 4
S(4) = 32 is your answer.
Anserr what the question?
Step-by-step explanation:
Make the same denominator then Add which would be 4/12 + 1/12 which is 5/12