A company determines that monthly sales Sct), in thousands of dollars, after t months of marketing a product is given by S(t) = 3+* - 45+? + 2000 + 130. a) Find S (1), S (3), and S (4).
b) Find S" (1), S' (3), and S''(4).
c) Interpret the meaning of your answers to parts (a) and (b).
(a) First, find S ()
S'(t) = 0