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Textbook Expert
Textbook ExpertVerified Tutor
13 Oct 2021

Given information

The function is shown in the graph given below:

Step-by-step explanation

Step 1.

From the graph, can see that the horizontal line passes through two distinct points on the given curve. That is,

So two distinct input values have same output value.

Hence the given function is not one-to-one.

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