On a certain function machine, an input of 3 has an output of -6. An input of -2 has an output of 4. An input of 0 has an output
2 answers:
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The question is a bit ambiguous: you may mean
or
Anyway, in both cases, the domain of a function involving a square root is found by imposing the content of the root to be greateer than or equal to zero. So, in the first case you have
In the second case, you have