Answer:
0
Step-by-step explanation:
3x - 9 if x = 3
Substitute:
3(3) - 9 =
9 - 9 = 0
This can be written as a function: f(x) = 3x - 9
f(3) = 3x - 9
f(3) = 3(3) - 9
f(3) = 9 - 9
f(3) = 0
-Chetan K
Answer:
See photo
Step-by-step explanation:
= 
1 = slope intercept
Answer:
I think that answer is D option
The answer is b, as when you substitute the coordinate in the equation, it works.
-6+6=-4(2+2)
0=8-8
0=0
A=πr2=π·92≈254.469. I think this is what your looking for