How many one-to-one correspondences are there between two sets with 5 elements each?
1 answer:
1st element can be matched with 5 2nd element can be matched with 4 3rd element can be matched with 3 etc. Total number of correspondences = 5*4*3*2*1 = 120
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Step-by-step explanation:
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I believe it is C. The quadratic function.
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It would be C. I'm pretty sure $24.79 I'm glad to help
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