# Functions

Not what you're looking for? Search our solutions OR ask your own Custom question.

A function f is defined on a set of real numbers. Is f one-to-one? Please give explanation so I may understand.

(see attached file for function)

Â© BrainMass Inc. brainmass.com December 24, 2021, 4:42 pm ad1c9bdddfhttps://brainmass.com/math/computing-values-of-functions/one-to-one-functions-determined-2558

#### Solution Preview

The definition of a one-to-one function is: if f(x1)=f(x2), then x1=x2 for all elements x1 and x2 in the desired set.

Graphical translation: A function is one-to-one if it passes a horizontal line test. This means that if you graph the function ...

#### Solution Summary

This shows how to determine if a function is one-to-one.

$2.49