A.101 B.100101 C.1100101 D.11100101
A.1742.36 B.1742 C.1.74x103 D.0.1742x104
A.E(t,t0)=f(t)-f(t0) B.E(t,t0)=E(t,0)-E(t0,0) C.E(t,t0)=E(t-t0) D.Et=a+bt+ct2