Question

Dentify the type of sequence shown in the table below and select the appropriate response.

n f(n)
1 12
2 −36
3 108
4 −324
5 972

Select one:
a. Arithmetic sequence; common difference is −48
b. Arithmetic sequence; common difference is 144
c. Geometric sequence; common ratio is −3
d. Geometric sequence; common ratio is 3

Answer 1

the answer is C. each number is -3 times the number before it