jessicajacobson7752 jessicajacobson7752 31-12-2017 Mathematics contestada What is the equation for a geometric sequence with a first term of 3 and a second term of −9? an = 3(−12)n − 1 an = 3(12)n − 1 an = 3(−3)n − 1 an = 3(3)n − 1?
