Hello, I wanted to know if the variation table and my sign table are good for the following two curves, if someone could correct (in case of error).Or explain the method for the sign board if possible thanks

Curved green ( Eg ) Variation table 2C - 6 - 3 3 8 Good y Variation O of DC - 6 1 15 5 8 Y - 41 2 Signe + 0 - D+ Sign table UI ? X - 6 1 15 5 8 De 6 8 8 Dsign OR to - Of Curved red 2 - 6 - 3 05 8 IVaxin - 418 5 17 41 2 Signe table Sign Table - 6 0 2X - 6 1 , 5 8 Sign O+