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A function is given by a table of values, a graph, aformula, or a verbal description. Determine whether it isone-to-one.$$f(x)=x^{2}-2 x$$

not one-to-one

Calculus 1 / AB

Chapter 3

INVERSE FUNCTIONS

Section 2

Inverse Functions and Logarithms

Derivatives

Differentiation

Applications of the Derivative

Harvey Mudd College

University of Nottingham

Idaho State University

Lectures

03:09

In mathematics, precalculu…

31:55

In mathematics, a function…

00:51

A function is given by a t…

00:47

04:07

00:29

00:17

00:19

00:28

00:25

00:52

Okay, so we have the following function. I mean Oh, that's we have X squared. We have a problem on a problem. How's the form like this? So if we use our horizontal line, test touches Morton one point. So dysfunction is not 1 to 1. You can also check two points. Let's check. F is zero on F. That too. Do not give this so squared minus two times ill, which gives us zero. And then we can also have, um to have two squared minus two times two, which is equal to zero. So we see that two different expert values give the same. Why value? So we see that dysfunction is not 1 to 1.

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