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Question

Does the curve represent a one-to-one function?


A
Yes
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B
No
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C
Can't be predicted from the graph
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D
Maybe
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Solution

The correct option is B No
"A function represented in a graph is one–one, if every horizontal line intersects the curve in at most one point".

Here the horizontal line intersects the curve at two points. Hence it is not a one-to-one function.

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