Задача 5.

Consider a map $f$: {0, 1, 3, 4} → {2, 5, 7, 18} defined on the picture below. Find $f$[{0, 3}], $f$[{1, 3, 4}], $f^{−1}$(2), $f^{−1}$[{2, 5}], $f^{−1}$[{5,18}].

a)

b)

c)