19/02/03 19:19:21.39 3W7OA91b.net
>>645
0<x≦4
y=(6/5)x^2
4≦x≦5
y=-(8/5)x^2 + (56/5)x
19/02/03 19:19:21.39 3W7OA91b.net
>>645
0<x≦4
y=(6/5)x^2
4≦x≦5
y=-(8/5)x^2 + (56/5)x
19/02/03 19:19:21.39 3W7OA91b.net
>>645
0<x≦4
y=(6/5)x^2
4≦x≦5
y=-(8/5)x^2 + (56/5)x