What is the recursive formula for the geometric sequence 2, 6, 18, 54, …?

The graph shows the amount of total rainfall at each hour what was the total rainfall amount after three hours

Taylor graphs the system below on her graphing calculator and decides that f(x)=g(x) at x=0, x=1, and x=3. provide taylor some feedback that explains which part of her answer is incorrect and why it is incorrect. f(x)=2x+1 g(x)=2x^2+1

Drawing it out would be best can you me