Practice problem
Let f(x)=x2.f(x)=x^2.f(x)=x2. What is f(f(f(x)))?f(f(f(x)))?f(f(f(x)))?
x6x^6x6
x8x^8x8
x18x^{\frac{1}{8}}x81
x16x^{16}x16
Type a concept, like “slope” or “photosynthesis”.