Determine whether the function is one-to-one.
-f(x)= 2x - 4

Name: Determine whether the function is one-to-one. -f(x)= 2x - 4
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Quizplus · Accepted Answer

The function $f(x) = 2x - 4$ is one-to-one because for every unique input $x$, there is a unique output. Additionally, its derivative $f'(x) = 2$ is always positive, indicating it is strictly increasing, which ensures it passes the horizontal line test for one-to-one functions.

Determine Whether the Function Is One-To-One