Consider the Initial Value Problem This Question Is Related $t_{i}+t_{i-1}=0.05$

Multiple Choice

Consider the initial value problem This question is related to using the fourth-order backward differentiation formula to estimate the solution y(0.2) using a step size of .
Which of these is the correct formula for

A) $t_{i}+t_{i-1}=0.05$
B) $t_{i}-0.05 t_{i-1}=0$
C) $t_{i}-t_{i-1}=0.05$
D) $t_{i}=0.05$