Answer:
(-1, 9) (he x value is placed first).
Step-by-step explanation:
y = -3x + 6
y = 9
Substitute y = 9 into the first equation:
9 = -3(x) + 6
-3x = 9 - 6
-3x = 3
x = -1.
Answer:
I'm pretty sure it is D because they're not super close to the line they're more spread out but I'm not rly sure

Differentiate both sides wrt
:

By the chain rule, we get


Solve for
:

