Question 7
The first five terms of a sequence are $5,9,16,28,47$. Find the sum of the eighth and seventh terms.
Use the continuation intended in the source: the third differences remain constant. A first difference is the next term minus the preceding term; repeat this operation to obtain second and third differences.
Choose one option.
Use the continuation intended in the source: the third differences remain constant. A first difference is the next term minus the preceding term; repeat this operation to obtain second and third differences.
Choose one option.