How many polynomials functions f of degree >= 2, satisfy
f(x^2)=(f(x))^2=f(f(x))?

• f(x^2)=f(f(x))
  f(x^2)=f(f(x^2)
  both f(x^2)cancelled,...so f=1 is answer
• 11 years agoHelpfull: Yes(5) No(6)
• I THINK Answer 0
• 11 years agoHelpfull: Yes(4) No(6)
• 1 is d ans
• 11 years agoHelpfull: Yes(1) No(0)
• f(x^2)=(f(x))^2)=f(f(x))=0
  
• 11 years agoHelpfull: Yes(0) No(1)