2.2 The Graph of a Function: Difference between revisions
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:1. <math>f(x)=y</math><br> | :1. <math>f(x)=y</math><br> | ||
: <math>x</math> is called the <b>input</b> or <b>argument</b> of the function and <math>f(x)</math> or <math>y</math> is called the <b>output</b> or <b>value</b> at <math>x</math> | : <math>x</math> is called the <b>input</b> or <b>argument</b> of the function and <math>f(x)</math> or <math>y</math> is called the <b>output</b> or <b>value</b> at <math>x</math> | ||
:: ex. If <math>f(x)=x^2+x+1</math> what is the value of <math>f</math> at <math>x=3</math>? | :: ex. If <math>f(x)=x^2+x+1</math> what is the value of <math>f</math> at <math>x=3</math>? | ||
:: The value of <math>f</math> at <math>x=3</math> is 13 | :: The value of <math>f</math> at <math>x=3</math> is 13 | ||
:2. <math>(x, y) \text{ or } (x, f(x)) </math> is called an <b>ordered pair</b> where <math>x</math> is the input and <math>y \text{ or } f(x)</math> is the output | :2. <math>(x, y) \text{ or } (x, f(x)) </math> is called an <b>ordered pair</b> where <math>x</math> is the input and <math>y \text{ or } f(x)</math> is the output | ||
Revision as of 17:54, 22 August 2022
Lecture
Lecture notes
- 1.
- is called the input or argument of the function and or is called the output or value at
- ex. If what is the value of at ?
- The value of at is 13
- 2. is called an ordered pair where is the input and is the output
