
What are some examples of bounded functions?
Answer
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Hint: Before writing the examples of bounded functions, bounded function is a function that is bounded by some range, i.e. . We have discussed the definition of bounded functions and their examples in detail below.
Complete step by step solution:
In this question, we are going to see what bounded functions are and see their examples.
First of all, let us see what bounded functions are.
The functions that have at least one pair of a and b such that the range of that function lies between a and b is known as a bounded function. The name itself explains that the functions bounded by some range are called bounded functions.
, where .
The greatest value of is known as the Greatest Least Bound (GLB) and the lowest value of is known as the Least Upper Bound (LUB).
For example: . Here, we can see that is a bounded function.
Now, there can be infinite values for a and b, but the minimum value of is and the maximum value of is .
Thus, GLB and LUB .
Some commonly used examples of bounded functions are:
, , , and .
All these functions are bounded functions.
Note: The graph of a bounded function stays within the horizontal axis, while the graph of unbounded function does not. The graph of one bounded function and one unbounded function is shown below.
The above graph is an example of bounded function. Here, . Here, we can see that the graph remains within the horizontal axis.
The above graph is an example of unbounded function. Here, . Here, we can see that the graph does not remain within the horizontal axis.
Complete step by step solution:
In this question, we are going to see what bounded functions are and see their examples.
First of all, let us see what bounded functions are.
The functions that have at least one pair of a and b such that the range of that function lies between a and b is known as a bounded function. The name itself explains that the functions bounded by some range are called bounded functions.
The greatest value of
For example:
Now, there can be infinite values for a and b, but the minimum value of
Thus, GLB
Some commonly used examples of bounded functions are:
All these functions are bounded functions.
Note: The graph of a bounded function stays within the horizontal axis, while the graph of unbounded function does not. The graph of one bounded function and one unbounded function is shown below.

The above graph is an example of bounded function. Here,

The above graph is an example of unbounded function. Here,
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