This is equivalent to finding a function g in which

.
We simply reverse the actions of the initial function by adding 81 back and taking the square root. Therefore,

.
Answer:
I wish <em>i could help </em>
Step-by-step explanation:
Answer:
Get a line of which you want to know the slope. Make sure that the line is straight.
Pick any two coordinates that the line goes through. Coordinates are the x and y points written as ( x, y ).
Pick which point's coordinates are dominant in your equation. ...
Set up the equation using the y-coordinates on top and the x-coordinates on bottom.
Answer: each of his friends got 24 marbles
Step-by-step explanation:
216 / 3 = 72
72 / 3 = 24