Defining u(t), r(t) and s(t) in their standard ways, are their derivatives defined at t = 0?
A. Yes, Yes, No
B. No, Yes, No
C. No, No, Yes
D. No, No, No
Answer:A
Defining u(t), r(t) and s(t) in their standard ways, are their derivatives defined at t = 0?
A. Yes, Yes, No B. No, Yes, No C. No, No, Yes D. No, No, No
Explanation: None of the derivatives are defined at t=0.