Concept explainers
(a)
To graph: The given function.
(a)
Explanation of Solution
Given information: The equation is a least integer function which is given as,
Graph: The graph of the given function is drawn as,
Interpretation: The least integer function is plotted.
(b)
To prove: The domain and range of given function.
(b)
Answer to Problem 43PFA
The domain and range are
Explanation of Solution
Given information: The equation is given as,
Domain consists of values where the function is valid, and range consists of values which are the output of function.
The domain and range are
(c)
To describe: The interpretation from graph.
(c)
Explanation of Solution
Given information: The equation is given as,
It can be seen that the function is not a continuous one as there are discontinuities in the graph.
(d)
To justify: The function as a step function.
(d)
Explanation of Solution
Given information: The equation is given as,
The least integer function can be defined as an example of a step function because it can be seen in the graph that the value of function with respect to x is increasing in steps.
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