Let f(x) = x^2 and g(x) = 2x.

Question

Let f(x) = x^2 and g(x) = 2x.
 (Enter your answer using interval notation.)
f ∘ g

oobleck · Answer

f ∘ g = f(g) = g^2 = (2x)^2 why would I want to use interval notation?