User:Rayfish

Revision as of 00:45, 8 March 2020 by Rayfish (talk | contribs)

1. The function $f(x)=x^2+4x+2$ is special. Why?

2. Find the $?$ in the sequence $10, 21, 12, 9, 1, 14, 8, 21, 1, 14, ?$.