True or false? The function below is one-to-one function. f ( x )= - x ⁸

Name: True or false? The function below is one-to-one function. f ( x )= - x 8
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Question

Quizplus · Accepted Answer

A function is one-to-one if for every output there is only one unique input. However, in this function, any positive number x and its negative counterpart -x will have the same output (-x), violating the one-to-one condition. Therefore, the answer is B (false).

True or False? the Function Below Is One-To-One Function