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Function: require_once

수학동아 - 폴리매스
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함께 풀고 싶은 문제
창의력을 기를 수 있는 수학 문제 또는 퍼즐을 내는 곳입니다.
[창의 퍼즐] [대수] 이상한 함수식
△π 2020.05.10 17:27 조회 703
문제 푼 사람 1명
공유하기
페이스북 트위터 카카오톡 카카오스토리 네이버블로그 네이버밴드

단조증가함수인 f(x)가 있다. 이 함수는 f(m)=n이면 f(n)=3m을 만족한다고 한다.

(1)f(30)=n인 n의 값을 구하여라.

(2)f(k)=99인 k값을 구하여라.

(3)f(200)=a인 a값을 구하여라.

(4)f(3b) 값을 b로 나타내어라.

(너무 단순문제인가...)

(+수정:조건 하나를 빠뜨렸네요! 혼란을 드려 죄송합니다!

조건:정의역과 치역은 모두 자연수이다.)

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    로보카폴리 Lv.11 2020.05.11 07:53 비밀댓글
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      △π Lv.9 2020.05.11 16:53 비밀댓글
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    파스칼 Lv.7 2020.07.05 05:24 비밀댓글
    확인요청중
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      △π Lv.9 2020.07.05 06:58 비밀댓글
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    해결
    파스칼 Lv.7 2020.07.05 09:52 비밀댓글
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      △π Lv.9 2020.07.05 15:49 비밀댓글
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