Easy simple question! Plz answer if you want.

Which of the following are accepted without proof in a logical system? check all that apply.

Ireally need subtract and simplify.(-y^2 – 4y - 8) – (-4y^2 – 6y + 3)show your work, ! i will mark you brainliest but you have to show your work.

Find the domain and range of the following function f(x) = 51x - 21+ 4