We will solve a hard functional equation problem from the 2012 American Invitational Mathematics Examination (AIME) . Given f(0)=1, f(x)*f(2x^2)=f(2x^3+x), and f(2)+f(3)=125, we need to find f(5). This is a question asked by one of my viewers! 🛍 Shop my math t-shirts & hoodies: 👉 https://amzn.to...