여기 아니면 물어볼 데가 없습니다 ㅠ,ㅠ 도움 부탁드립니다 굽신굽신


이 문제에 f가 딱히 주어지지 않은 거 같거든요... 그러면 f를 적당히 그려서 나타내라는 뜻이겠죠?


Describe pictorially (on a graph) the set of functions g in C[a, b] whose distance from a give function f is less than or equal to 1 for each of the following metrics : (a) integral metric ρ (b) supremum metric ρ' (c) the discrete metric.