Question

Let f : {1,2,3} → {a,b,c} given by f(1) = a, f(2) = b and f(3) = c

(a) Find f^−1



(b) Show that (f^−1
)
^−1 = f
(c) Let f: X → Y be an invertible function. Show that the inverse of

f^−1
is f .​

Answer 1

Answer:

G(1, 5) Let J5 = {0, 1, 2, 3,4}, and define functions f: J5 → J5 and g: J5 → J5 as ... ( 1 25 ) b. log5 = −2 because . c. log4 4 = 1 because . log3(3n) = n because . e. log4 1 ..