$57.60 is the correct answer
The answer is 24 since it is the least common multiple
There is a rule for functions:
One input(x-value) can only have one output(y-value).
If one input has more than one output, it is not a function.
(This doesn't apply to outputs, one output can have more than one input and still be a function)
This graph shows a set of ordered pairs that does NOT represent a function because there are two points on x = -3. The input -3 has more than one output of -4 and 4, so it is not a function.
I don't really know, but I'd go with A. How I got this answer? Well I times 12 times 23.
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