Plug the point (-1,20) into the equation and see if it holds true.
20<1/2(-1-5)^2+2 20<1/2(-6)^2+2 20<1/2(36)+2 20<18+2 20<20 So it’s true. I left the equals sign out because I couldn’t do it on my phone. The symbol in the question is less than or equal to and it is equal so yes
