CBSE Class 12-science Answered
problem in calculating range of functions
Asked by | 14 Jun, 2008, 03:30: PM
Expert Answer
Consider f(x)=9x- 3x+1=(3x )2- 3x+1
Let y= 3x ,which is >0
We have f(y)=y2-y+1
The function is clearly lower bound with a value of min(f(y)) = 3/4
Hence range of function is all whole numbers.
Answered by | 10 Dec, 2008, 09:20: PM
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