To check if the function is one to one.
The function one to one.
Given is the function and
Concept used: To check if a function if one to one. Horizontal line test can be used.
If the line cuts graph at only one point , then the function is one to one.
Interpretation: from the above graph, The graph starts from the coordinate because the value of is between 0 to 2. And the horizontal lines cut the graph at only one point. So that means the function is one to one.
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