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The function is .
Since is cannot be negative, the minimum point of the graph is where .
(Original function)
(Subtitute in the function)
(Subtitute )
(Add to each side)
(Apply additive inverse property: )
(Divide each side by )
(Cancel common terms)
Construct a table of values for and .
Observe the table,
The and value are represents the domain and range of the function.
The domain of the function is .
The range of the function is .
Therefore, domain is all real numbers and range is all real numbers greater than or equal to .
Graph:
Graph the function .
Observe the graph:
The graph of is shifted the units to the right.
Graph of the function is
Domain is all real numbers.
Range is real numbers greater than or equal to .
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