
Concept explainers
(a)
To find: the domain of the given function.
(a)

Answer to Problem 36AYU
The domain of the function is the set of all real numbers.
Explanation of Solution
Given information:
Given function
Calculation:
From the above definition we see the domain of the function is the set of all real numbers.
(b)
To locate: any intercepts of the given function.
(b)

Answer to Problem 36AYU
The function has a
Explanation of Solution
Given information:
Given function
Calculation:
The intercepts are the points on the graph which are obtained when it cuts the
(c)
To sketch: the graph of the given function.
(c)

Explanation of Solution
Given information:
Given function
Calculation:
Plot the points and draw the line to get the graph of the function
(d)
To find: the range based on the graph.
(d)

Answer to Problem 36AYU
The range of the function
Explanation of Solution
Given information:
Given function
Calculation:
From the graph we see that
(e)
To find: whether
(e)

Answer to Problem 36AYU
The graph it can be clearly seen that the function is discontinuous at the point
Explanation of Solution
Given information:
Given function
Calculation:
The only point at which the function might have behaved in a manner that it becomes discontinuous is
And
And
Hence
So even at the break point the function is discontinuous.
Hence the function is discontinuous in its domain only at the point
Also from the graph it can be clearly seen that the function is discontinuous at the point
Chapter 2 Solutions
Precalculus
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