9514 1404 393
Answer:
24
Step-by-step explanation:
The number of permutations of 4 items is 4! = 24.
math, maht, mtah, mtha, mhat, mhta,
amth, amht, atmh, athm, ahmt, ahtm,
tmah, tmha, tamh, tahm, thma, tham,
hmat, hmta, hamt, hatm, htma, htam
You are given the function . To find the inverse function do such steps:
1. Rewrite the function f(x) as
2. Express x in terms of y:
3. Change x into y and y into x:
Now, the inverse function is
2