MaTh 問題

2014-05-24 10:45 pm
問題內容: http://b54.in/9d21
求高手解答 謝謝!!

回答 (2)

2014-05-25 12:26 am
✔ 最佳答案

a)
lim_x→3 f(x)=3

b)
lim_x→-1 f(x)=-1

lim_x→2 [5x+3]
=5(2)+3
=13

lim_x→2 [(3x²-3x+4)/(2x²-3)]
=(3(2)²-3(2)+4)/(2(2)²-3)
=10/5
=2

2014-05-24 17:20:19 補充:
a)

lim_x→3− f(x)=3
lim_x→3+ f(x)=4.5
2014-05-25 12:35 am
how about 4.5 in a)??


收錄日期: 2021-04-13 22:33:15
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