Respuesta :

wegnerkolmp2741o

Answer:

-x^2 +2x +8

Step-by-step explanation:

for f(x)=2x+1 and g(x)=x^2-7,

(f-g)(x) = 2x+1 -(x^2-7)

Distribute the minus sign

          = 2x+1 -x^2 +7

          = -x^2 +2x +8