CHAPTER_ppt_8_1 - Chapter 8 More on Functions and Graphs...

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Chapter 8 More on Functions and Graphs
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§ 8.1 Graphing and Writing Linear Functions
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Martin-Gay, Beginning and Intermediate Algebra, 4ed 3 Identifying Linear Functions By the vertical line test, we know that all linear equations except those whose graphs are vertical lines are functions. Thus, all linear equations except those of the form x = c (vertical lines) are linear functions. Linear Functions
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Martin-Gay, Beginning and Intermediate Algebra, 4ed 4 Let x = 4. f (4) = 3 + 3 = 6 S implify the right side. One solution is (4, 6). Graph the linear function f ( x ) = x + 3. 4 3 f (4) = (4) + 3 R eplace x with 4. 4 3 Graphing Linear Functions Example: Continued.
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Beginning and Intermediate Algebra, 4ed 5 For the second solution, let x = 0. f (0) = 0 + 3 = 3 S implify the right side. So a second solution is (0, 3). Graph the linear function f ( x ) = x + 3. 4 3 f (0) = ( 0 ) + 3 R eplace x with 0. 4
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This note was uploaded on 11/04/2011 for the course MATH 103 taught by Professor Alraban during the Fall '10 term at Montgomery College.

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CHAPTER_ppt_8_1 - Chapter 8 More on Functions and Graphs...

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