Find the Average Rate of Change y=x-9 , (0,0) , (7,-6)

$y = x - 9$ , $(0, 0)$ , $(7, - 6)$

Step 1

Write $y = x - 9$ as a function.

$f (x) = x - 9$

Step 2

The first point $(0, 0)$ does not fall on the graph. The points must be on the graph to be able to calculate the average rate of change between them.

Point $(0, 0)$ does not fall on the graph