Maths-

General

Easy

Question

# Which of the following functions is one-to -one?

## The correct answer is:

In the given options (a), (b), (c), (e) the curves are decreasing and increasing in the given intervals, so it is not one-to-one function. But in option (d), the curve is only increasing in the given intervals, so it is one-to-one function.

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