Answer:
Rectangle + half circle ?
Step-by-step explanation:
If the arrow is pointing downwards, it means it is negative (like the one in your picture). If the arrow points upwards, it is positive!! :)
Answer:

Step-by-step explanation:
we have

Remember that

and

substitute

From my calculations, I have g = -10
The root (zero) of this problem is A., x =5 only.
Substitute f(x)=0
0=x^2 - 10x + 25
Solve for x.
x = 5.