he half-life of the radioactive element unobtanium dash 43 is 5 seconds. If 80 grams of unobtanium dash 43 are initially prese
1 answer:
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Option A: All real numbers is the right answer
Step-by-step explanation:
First of all, let us define domain
Domain is the set of all inputs to a function on which the function is defined
So
Given function is:
The given function will not be undefined for any value of x as there is no denominator which will make the function approach infinity
Hence,
Option A: All real numbers is the right answer
Keywords: Domain, functions
Learn more about functions at:
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<h3>Answer: Choice C) 
</h3>
This is a more complicated way to write
The range is the set of all possible y outputs of a function. So we use the graph to see what y values are possible. The graph shows that y can be anything smaller than y = 2. We can't actually reach y = 2 itself due to a horizontal asymptote here.
In interval notation, the answer would be with the curved parenthesis to indicate "do not include y = 2 as part of the range".