CPM Homework Help : MC1 Problem 9-140

Assuming that the pattern continues, find the next three numbers in the sequence – $1,2,5,8$ . Explain how you know what the numbers should be.

Hint:

How do you get from $−1$ to $2$ ? From $2$ to $5$ ? $5$ to $8$ ?

Answer:

Add three. Follow this pattern to find the next three numbers in the sequence.