Answer:
(-1,0)
Step-by-step explanation:
It is decreasing when the "slope" of the function is negative. That only happens on the blue curve from x = -1 to x = 0. In interval notation, that's (-1,0)
The mid point would be (1,25.5)
Lol i did this on my calculator
this is what i got
4.58804211
idk if it will help
First find the area of the circle then divide it by 4
