Explain the difference between asking a student to complete each of the problems below. (a) For f (x) = .5x² +4 – 2 find f (2). (b) Graph f (x) = .5x² + 4 – 2. (This gives us the following graph.) 25 20 15 -15 -10 -5 10 -10 Which of these best illustrates the idea of a function? Why? 10

College Algebra
1st Edition
ISBN:9781938168383
Author:Jay Abramson
Publisher:Jay Abramson
Chapter3: Functions
Section3.1: Functions And Function Notation
Problem 3SE: Why does the vertical line test tell as whether the graph of a relation represents a function?
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Explain the difference between asking a student to complete each of the problems below.
(a) For f (x) = .5x² + 4 – 2 find f (2).
(b) Graph f (x) = .5x² +4
- 2. (This gives us the following graph.)
25
20
15
10
-15
-10
-5
10
-10
Which of these best illustrates the idea of a function? Why?
5.
Transcribed Image Text:Explain the difference between asking a student to complete each of the problems below. (a) For f (x) = .5x² + 4 – 2 find f (2). (b) Graph f (x) = .5x² +4 - 2. (This gives us the following graph.) 25 20 15 10 -15 -10 -5 10 -10 Which of these best illustrates the idea of a function? Why? 5.
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