Need will mark brainliest!
answer the question that follow about the given sequence. “does not exist” and “none” are valid answers.
4, 7, 12, 19
a. arithmetic/geometric/neither?
b. state the common ratio or common difference.
c. find the explicit formula for the nth term
d. find the recursive formula for the nth term
e. value of the 10th term
f. ∑ notation for the infinite series.
g. sum of the infinite series.