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In $3-6,$ each set represents a function. a. What is the domain of each function? b. What is the range of each function? c.Is the function one-to-one? $$\{(2,7),(3,7),(4,7),(5,7),(6,7)\}$$

All x-values are paired with the same y-value.Thus, the function is NOT one-to-one.

Algebra

Chapter 4

RELATIONS AND FUNCTIONS

Section 3

Linear Functions and Direct Variation

An Introduction to Geometry

Functions

Linear Functions

Polynomials

Missouri State University

McMaster University

University of Michigan - Ann Arbor

Lectures

01:32

In mathematics, the absolu…

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01:03

In $3-6,$ each set represe…

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Determine whether each rel…

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Determine the domain and r…

01:37

Identify the domain and ra…

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In $7-10,$ the domain of e…

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for part A. We'll see that the sets are to common. Seven. The re comma seven. Four comma seven, five comma seven in six. Common seven. So, in order from the domain, we could look at the X values of each set. Most see that the doorman is too 34 five and six or two through six. And the range each. We can look at each y value and they're all the same. So the range is just seven. Therefore, it the function is not 1 to 1 because each X value goes to the same y value. See, they all go to seven. So therefore there it is, not 1 to 1.

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