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# 2.2.2 the graph of a function

## by Northside ISD on Aug 22, 2010

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## 2.2.2 the graph of a functionPresentation Transcript

• Analyze the graph of a function symbolically
2.2 The Graph of a Function
• Is the point (3, 2) on the graph of f ?
Is the point (-1, 2) on the graph of f?
NO
YES
• If x = -2, what is f(x)? What point is on the graph?
If x = 1, what is f(x)? What point is on the graph?
(-2,12)
(1,0)
• If f(x) = 2, what is x? What point(s) are on the graph?
If f(x) = 6, what is x? What point(s) are on the graph?
(0,2), (3,2)
(4,6), (-1,6)
• What is the domain of f ?
List the x-intercept(s), if any, of the graph of f.
x-intercepts (2,0), (1,0)
• List the y-intercept, if there is one, of the graph of f.
y-intercept (0,2)
• Is the point (3, -6) on the graph of f ?
Is the point (-1, 2) on the graph of f?
NO
YES
• If x =5, what is f(x)? What is the point on the graph of f ?
If x = 2, what is f(x)? What is the point on the graph of f ?
(5, 8)
(2, -5/2)
• If f(x) =0, what is x? What point(s) are on the graph of f ?
If f(x) = 2, what is x? What point(s) are on the graph of f ?
(-3, 0)
(11, 2)
• What is the domain of f ?
List the x-intercept(s), if any, of the graph of f.
x-intercept (-3,0)
• List the y-intercept, if there is one, of the graph of f.
y-intercept (0, -3/4)
• p. 76 # 10, 23 - 28
Assignment