(a)[1]
Draw Pattern 4 exactly.
(b)[2]
Complete the table with the missing entries.
(c(i))[1]
Write down the term to term rule that continues the sequence for the number of dots.
(c(ii))[2]
Find an expression, in terms of $n$, for how many dots are in Pattern $n$.
(d)[4]
Work out how many dots she uses to make this pattern.