CAJ | 학술논문

拜读某高等数学教材中发现了答非所问的速度改变问题，该教材某例题把速率改变的结果当成了速度改变的结果，因此有必要澄清加速与减速是对速率改变而言，而速度单增与速度单减是对速度改变而言。借助函数单调性判定定理，澄清用的符号判定速度改变（速度单增（或速度单减）），而非判定速率改变（加速（或减速）），完善该实例。本文进一步解决了如何用构造的符号判定速率改变的问题。有意思的是加速与减速，可能是速度单增，也可能是速度单减，体味数学中关于正（或负）号美。
배독모고등수학교재중발현료답비소문적속도개변문제，해교재모례제파속솔개변적결과당성료속도개변적결과，인차유필요징청가속여감속시대속솔개변이언，이속도단증여속도단감시대속도개변이언。차조함수단조성판정정리，징청용적부호판정속도개변（속도단증（혹속도단감）），이비판정속솔개변（가속（혹감속）），완선해실례。본문진일보해결료여하용구조적부호판정속솔개변적문제。유의사적시가속여감속，가능시속도단증，야가능시속도단감，체미수학중관우정（혹부）호미。
with the reading of some advanced math material found in the speed of answering the same questions ,which some examples change the rate of speed as a result of a change in the results , therefore it is necessary to clarify the acceleration and deceleration is the rate of change and speed of l and the speed reduction is speed changing .With the help of function monotonicity theorem ,clarify the symbols used to determine velocity change (speed of l (or speed reduction )) ,rather than determining rate changes (Acceleration (or deceleration) ,complete the instance .It is further addressed in this paper how to construct symbols to determine rate of change problems .What’s interesting is acceleration and deceleration ,speed may be single increasing ,may also be the speed reduction ,taste of mathematics on the positive (or negative ) .