20С12 ֣֪ԲCy ύA B 㣬ңAB2 ԲC ķ̣
ΪԲC
PԲCϵһ㣬ֱPAPBֱx4ֱM N 㣮ǷڵPʹMN ΪֱԲD2,0ڣPĺꣻڣ˵ɡ
21С12 ֣֪f (x)
f (x)ڵ㣨0f0߷̣f (x)ͼֵ
[Դ:ѧ]гʵСֵ
뿼ڵ2223ѡһʱдţ 22С10֣
ֱϵxOyУֱߵIJΪΪὨϵ֪Բ
ӳ
ʹ
.
ļ귽Ϊ
Ϊԭ
Բ
Ϊ,һ㣬
() 켣ֱ귽̣
켣ཻ
㣬
ֱΪ
ֵ.
() ֱ
23С10֣躯
f(x)ֵaȡֵΧ a=1ʽf(x)|2x-3|Ľ⼯
20С12 ֣֪ԲCy ύA B 㣬ңAB2 ԲC ķ̣
ΪԲC
PԲCϵһ㣬ֱPAPBֱx4ֱM N 㣮ǷڵPʹMN ΪֱԲD2,0ڣPĺꣻڣ˵ɡ
21С12 ֣֪f (x)
f (x)ڵ㣨0f0߷̣f (x)ͼֵ
[Դ:ѧ]гʵСֵ
뿼ڵ2223ѡһʱдţ 22С10֣
ֱϵxOyУֱߵIJΪΪὨϵ֪Բ
ӳ
ʹ
.
ļ귽Ϊ
Ϊԭ
Բ
Ϊ,һ㣬
() 켣ֱ귽̣
켣ཻ
㣬
ֱΪ
ֵ.
() ֱ
23С10֣躯
f(x)ֵaȡֵΧ a=1ʽf(x)|2x-3|Ľ⼯