Respuesta :

quiescentdulcet

Answer:

Option B.

Step-by-step explanation:

(f-g)(x) = f(x)-g(x)

          = (5x²-3) - (x²-4x-8)

          =5x²-3 -x² +4x +8       ( - sign outside will multiply each sign inside)

         =4x² +4x + 5

Answer:B) (f-g)(x)=4x^2+4x+5

Step-by-step explanation:Apex