The function
... f(x) = (x+2)/(x-1) = 1 + 3/(x-1)
is symmetrical about the line y=x, hence is its own inverse.
We can evaluate the desired derivative directly.
... f'(x) -3/(x-1)²
so f'(2) is
... f'(2) = -3/(2-1)²

Answer:
3
Step-by-step explanation:
| 6-3|
Find the value inside the absolute value signs
6-3 = 3
| 3|
Means take the non negative value
|3| = 3
Answer:
3
Step-by-step explanation:
2 plus 1 is 3
Answer: 40
Step-by-step explanation: