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8th Edition

Stewart + 3 others

Publisher: Cengage Learning

ISBN: 9781305279148

Chapter 1.5, Problem 1PT

To determine

The correct option so that the statement “A function *f* is one-to-one means

Expert Solution

The correct option is

**Result used:**

“A function *f* is one-to-one means that for all *f*, if

**Description:**

Suppose that the function

Note that a function is one-to-one if no two elements in the domain of the function correspond to the same element in the range.

Clearly, by the above result, if

Therefore, the correct option is

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