Respuesta :

(f +G) means to add the two equations together:

5x - 2 + 2x +1

5x + 2x = 7x

-2 +  = -1

Answer is C. 7x-1

Answer:

7x-1

Step-by-step explanation:

  • f(x)+g(x)
  • 5x-2+(2x+1)
  • 5x-2+2x+1
  • 7x-1