f ( x ) = 3x -1 and g( x ) = x - 2 .
If f (2b) -g(2b)=5 , find the value of b .
F4 Math一問~~~~~
2007-10-05 3:31 am
回答 (1)
2007-10-05 3:37 am
✔ 最佳答案
f(2b) = 6b - 1g(2b) = 2b - 2
6b -1-( 2b - 2) = 5
4b + 1 = 5
4b = 4
b = 1
收錄日期: 2021-04-13 19:21:58
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https://hk.answers.yahoo.com/question/index?qid=20071004000051KK03183