I d k the answer but thanks for the points! LOL
This chart represents a proportional relationship. The rate of change will be 4.
<h3>What is the constant of proportionality?</h3>
Firstly, there is a proportional relationship.
Two values x and y are said to be in a proportional relationship if x=ky, where x and y are variables and k is a constant.
The constant k is called the constant of proportionality.
Given;
x y
1 4
2 8
3 12
4 16
Here, x = ky
put the first value
k = 1/4
This chart represents a proportional relationship.
So the rate of change will be

Learn more about proportional ;
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Its D(5,-4) XD ;p
because I did it and got it right but don't take my word for it just ask the other suggestions <span />
Answer:
1 slice will be left because there are 16 slices and 15 guests
Step-by-step explanation: