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Dec 6th, 2006, 03:58 AM
#1
Thread Starter
Junior Member
Little Functions Problem...
Allo, it's been a while since the last time I've posted in this forum. Recently I've found a little functions question that I think I've forgotten how to do it...
Given that function f(x) = 5x - 36/x, find
f-¹(11)
Find the value of x that can be mapped to itself under the function f.
I was really confused on how to solve it. Hope someone can help me solve this little functions problem 
Edit: I think the line "Find the value of x that can be mapped to itself under the function f" is not for this question. Maybe it's for the other questions. Not sure about it...
Last edited by MathBaby; Dec 6th, 2006 at 08:17 AM.
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