Answer:
8
Step-by-step explanation:
f(x)=x²+4 ( find quadratic equation: given vertex)
g(x)=x+2 ( find linear equation : given 2 points)
(f-g)(-2)
(x²+4-x-2)of (-2)
x²-x+2 now find (f-g)(-2)
-2²-(-2)+2=4+2+2=8
