What is the sum of the given polynomials in standard form? (x2 – 3x) + (-2x2 + 5x – 3)
0 --3x2 + 8x - 3
O X2 - 2x - 3
O 3x2 - 8x + 3
O-X2 + 2x-3

Plz me i need i will give a brain

F(x)= 1/x-4, g(x)=4x+1/x a. use composition to prove whether or not the functions are inverses of each other. b. express the domain of the compositions using interval notation.

You’re repairing a large rectangular aquarium. the final step is to cover the glass with a protective film. the front and back of the aquarium measure 4 meters by 2 meters, and the sides of the aquarium measure 3 meters by 2 meters. how many square meters of protective film do you need? ( )