SOLUTION: HOW DO YOU FIND THE DOMAIN AND FUNCTION OF THESE? 1. xy=2 2.y =7 PLEASE EXPLAIN THE PROCESS. ESPECIALLY WHEN YOU FIND THE RANGE. IM REALLY REALLY CONFUSED WITH DOMAIN AND RAN

Question 890155: HOW DO YOU FIND THE DOMAIN AND FUNCTION OF THESE?
1. xy=2
2.y =7
PLEASE EXPLAIN THE PROCESS. ESPECIALLY WHEN YOU FIND THE RANGE. IM REALLY REALLY CONFUSED WITH DOMAIN AND RANGE
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Domain is all x values such that the function is defined.
1.

This function is defined for all values except for since division by zero is not defined. So the domain is
(,)U(,)
So the range is all values that are possible given the domain.
For this function all values are represented except so the range is the same as the domain.
.
.
.
This function is defined for all values since it is never undefined.
(,).
However the range is just one point, .

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