Question

Find an explicit rule for the nth term of a geometric sequence where the second and fifth terms are -6 and 162, respectively. (2 points)
a
an = 2 • 3n - 1

b
an = 2 • (-3)n - 1

c
an = 2 • 3n

d
an = 2 • (-3)n + 1

Answer 1

Answer: C is the answer