Answer:
Graph or make a table of the function.
Step-by-step explanation:
When you graph the function just look on the graph to see that point is part of your function. Same would go for the table. Just look and see if your numbers match.
Answer:$13.82
Step-by-step explanation:
$79.99+7.75%=$86.18
$100-$86.18=$13.82
<span>B)
The sample that Mrs. Craig took was too small.
I'm assuming the question is asking why they were not the same percentage?</span>
Answer:
-4
Step-by-step explanation:
The function is linear; therefore, the slope of the line joining any two points is the same.
We take any two points from the table and compute the slope or rise/ run between them— let is take points (-4, -2) and (-2, -10).
The slope 
of the line joining the points is
The slope of the function is -4.
