7. Let y = dt. At what value of t does the local maximum of y occur? (A) 0 (B) 1 (C) -

問題詳情

7. Let y =

dt. At what value of t does the local maximum of y occur?
(A) 0
(B) 1
(C) -1
(D) 2
(E) -2

參考答案