He is wrong. You first need to put it in order before getting the middle. Like so:
22, 36, 48, 60, 84
Now cross out 22, then 84, and so on till you're left with one number (the middle number)
THE ANSWER IS 48
Answer:
3
Step-by-step explanation:
x = normal water level
x - 12 - 13 = x - 25
so it is 25 feet below the normal water level
I cannot do turning points.
Also, if this is from a test, it can be removed.
But here is a graph of the function.