Question

which of the following exponential functions goes through the points (1, 6) and (2, 12)? f(x) = 3(2)x f(x) = 2(3)x f(x) = 3(2)−x f(x) = 2(3)−x

Answer 1

Plug in x=1 and see if it equals 6
Plug in x=2 and see if it equals 12