Answer :
The domain the function is In interval notation [7, ∞). The range of the function is in the interval (-1, ∞).
What is function?
A mathematical phrase, rule, or law that establishes the link between an independent variable and a dependent variable (the dependent variable). A "vertical line test" can be used when examining a graph to determine whether a relation is a function. The relation is not a function if any point on the graph can be used to draw a vertical line that crosses the relation twice.
Here,
y=√(x-7)-1
x-7≥0
x≥7
at x=7
y=√(7-7)-1
y=-1
The function's domain is represented by the interval notation [7, ∞). The function's range falls within the range [-1, ∞).
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