If f(x)=3x−1f(x) = 3x - 1f(x)=3x−1, find h(x)=f(f(f(x)))h(x) = f(f(f(x)))h(x)=f(f(f(x))).
9x−39x - 39x−3
27x−1327x - 1327x−13
27x−727x - 727x−7
9x−49x - 49x−4