How do I find the domain of the function #y=sqrt(2x-8)#?
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"Which following pairs of atoms, have a lower electron affinity? a) Ca,K b) I,F c) Li, Ra. I seriously don't know anything about electron affinity all ik that it can buy another element"
1 Answer
Aug 17, 2017
See below.
Explanation:
The value under a radical (square root) cannot be negative.
So,
So, the domain of this function is
