72x + 12y = 60 Which equation represents the same function?
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When you're evaluating P(n, k), you are essentially saying there are n objects and you will need to arrange them in k spaces.
This is essentially the same as:
, which follows the formula:
If you're dividing by 4!, you are evaluating P(6, 2)
This is essentially the same as:
If you're dividing by 4!, you are evaluating P(6, 2)