Which of the following functions is equivalent to the function below? Select two that apply.
f(x) = 3 2x+1
g(x) = (3)***
g(x) = 3 2x + 3
g(x) = 2 · 3* + 1
g(x) = 27 *
g( x) = 9X+1
g(x) = 3.9%