Step-by-step explanation:

Answer:
San francisco
Step-by-step explanation:
once you divide the distance by time then multiply the answer by the longest amount of time (aka 4)
San francisco = 2556
Minot = 1826
Phoenix = 2252
It is g(x) =2 there I guessed hope correct.
The answer is C. f(n)=f(n-1)•3
Look at the photo I attached it shows how.
Hopefully this helps. This is how I was taught.
The answer is 3.6. Just do subtraction.