AMO 2021 - Secondary 4 (Grade 10) Question 14

Question 14

Which function describes the graph shown?

1. $f(x)=x^2-2x+1$
2. $g(x)=2x^4-4x+4$
3. $h(x)=x^3-2x^2-x+2$
4. $i(x)=4x^3-8x^2-4x+32$
5. $j(x)=x^3+18x^2-48x+36$