Im just about to work one out for you and you just do the same on the rest
Answer:
a) (-2,2), (-1,-1), (1,-1), (3,7)
b) x=1.4
Answer: No she is not.
Step-by-step explanation: The correct answer is 7.25 F, because she just put them both as positives. When you have a negative it takes away from the total, so how I think of it is you subtract from the positive number, so you could just do 11.75-4.5. Hope this helped!
Answer:

Step-by-step explanation:
The domain is simply the farthest left ppint to the farthest right point on the graph.
I’m pretty sure it’s 20 could be wrong