In how many ways can 10 athletes be awarded a first-place medal, a second-place medal, and a third-place medal?
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The domain of a function is the set of input values the function can take
The radical function is not given; so, I will provide a general explanation
Assume the radical function is:
The denominator of the above function cannot be negative.
So, we express the denominator as follows
Subtract 12 from both sides
Divide both sides by -2
So, the possible values of x the function can take are less than 6
Hence, the domain of the radical function is
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