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OpenStudy (anonymous):
Hello.. could you help me out a bit.. oaky How many one to one functions are there from A = { a,b,c,f,h,j,k,l} to B = {2,4,6,8,10,12,14,16,18,20}
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OpenStudy (anonymous):
is this asking how many different ways you can have a one to one function from the given sets
OpenStudy (anonymous):
yes
Directrix (directrix):
I thought maybe this is a question about the number of ordered pairs in the cross product of the sets A and B.
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