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A function from the set X={-1,0,1,2,3,4} to the set R is given by the followin table.

Question:

A function from the set {eq}X=({-1, \ 0, \ 1, \ 2, \ 3, \ 4}) {/eq} to the set {eq}R{/eq} is given by the following table.

XR
-12
0 1
1 2
25
310
417

(a) Write the function f as a function of ordered pairs?

(b) Can you create an equation to describe the function {eq}f{/eq}?

Functions:

The function in mathematics is a law or expression that is used to represent a physical relationship between the set of input values and the set of permissible outputs with the property that each input variable is related to exactly one output variable.

Answer and Explanation: 1

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Given the function from the set {eq}X=({-1, \ 0, \ 1, \ 2, \ 3, \ 4} ){/eq} to the set {eq}R{/eq} and is given by the following table:

XR
-12
0 1
1 ...

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Introduction to Functions

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Chapter 1 / Lesson 1
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A mathematical function is a relation between what is input and what is output. Learn more about the purpose of functions, the rules for function and how to write function in notation.


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