Answer:
A
Step-by-step explanation:
the formula of the slope is (y2 - y1)/(x2 - x1)
slope = (3-2)/(-1-2) = 1/(-3) = -1/3
Usually I would use my head, but you can use whatever you want.
Answer:

Step-by-step explanation:

Rewrite the expression

Add

Therefore,
is equal to
.
I hope this helps!
Answer:
pls follow me not because I am genius but because I am a swager SWAG
Step-by-step explanation:
by swag
Domain is: {10,26,40,56} and it is not a function