Answer:
-9
Step-by-step explanation:
You have to put the number 4 in the place of x in both function, and after do the subtraction with the result:
To the f function:
-3•4 + 4
-12 + 4
-8
To the g function:
-(4)² +4•4 +1
-16 + 16 + 1
1
Now f - g:
-8 -1 = -9