What does it mean to be a "function"? How can you determine function ality of a relation set or equation graph?

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter3: Functions And Graphs
Section3.5: Graphs Of Functions
Problem 35E
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please send step by step handwritten solution for questions 27

226:
23. Find the product.
(-3x - 7)(5x + 8)
24. What's the equation of a horizontal line through the point (4, – 6)?
25. Simplify the following expression.
5+1
2+ 5
26. Write the equation of the line passing through 2, - 4) and parallel to the line y = 3x -2.
27. What does it mean to be a “function"? How can you determine functionality of a relation set or
equation graph?
28. What is a matrix?
Transcribed Image Text:226: 23. Find the product. (-3x - 7)(5x + 8) 24. What's the equation of a horizontal line through the point (4, – 6)? 25. Simplify the following expression. 5+1 2+ 5 26. Write the equation of the line passing through 2, - 4) and parallel to the line y = 3x -2. 27. What does it mean to be a “function"? How can you determine functionality of a relation set or equation graph? 28. What is a matrix?
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