Answer:

Step-by-step explanation:
Use the distance formula.





Answer:
A= Rate of change is y=4x, this is because it is set up as y/x and for the graph B= y=3x. Function A is greater in change than Function B because if you substitute x for 1, A would be 4 and B would be 3.
Step-by-step explanation:
Answer: 
Step-by-step explanation:
Rewrite the expression:

Factor out the negative:


Rewrite the sum:


Calculate the sum:


Solve:


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