SOLUTION: What is the difference between domain and range? Describe a real life situation that could be modeled by a function.

Question 205718: What is the difference between domain and range? Describe a real life situation that could be modeled by a function.
Answer by RAY100(1637) (Show Source): You can put this solution on YOUR website!
Domain is the set of the independent variable, usually x,,
.
while Range is the set of the dependent variable, usually y
.
Physically Domain might be time while Range is Weight, for a diet log
.
or Domain might be elapsed time vs Range , distance, for a travel log,
.
Usually Domain and Range are expressed as, "all Real Numbers"
.
or " all positive Real Numbers"
.
Exceptions occur when the value of the function, dependent variable, is
.
UNDEFINED,(denominator is zero),or COMPLEX (square root of a negative number)
.

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