Question

Which graph is the sequence defined by the function f(x) = 3(2)x-1?
http://media.education2020.com/evresources/3109/3109-07/3109-07-07/3109-07-07-assessment/3109-07-07-22a.png

http://media.education2020.com/evresources/3109/3109-07/3109-07-07/3109-07-07-assessment/3109-07-07-22b.png

http://media.education2020.com/evresources/3109/3109-07/3109-07-07/3109-07-07-assessment/3109-07-07-22c.png

http://media.education2020.com/evresources/3109/3109-07/3109-07-07/3109-07-07-assessment/3109-07-07-22d.png