F(x) = sqrt(- 2x) Determine for each value whether it is in the domain of f or not.
1 answer:
Answer:
only -2 is in the domain
Step-by-step explanation:
For negative values under the sqrt, there is no real answer, hence
-2x ≥ 0
only for x=-2 this is the case.
The domain represents all the valid input values for x.
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Step-by-step explanation:
PEMDAS use that it's gonna help you
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