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1.6 part I Parent Functions

Date post: 24-Feb-2016
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1.6 part I Parent Functions. You should be familiar with the shapes of these basic functions. . Library of Functions. 1.6 Parent Functions. • The constant function, f(x) = c • The linear function, f(x) = x • The absolute value function, f(x) = |x| - PowerPoint PPT Presentation
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1.6 part I Parent Functions
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Page 1: 1.6 part I Parent Functions

1.6 part IParent Functions

Page 2: 1.6 part I Parent Functions

Library of FunctionsYou should be familiar with the shapes of these basic functions.

Page 3: 1.6 part I Parent Functions

1.6 Parent Functions

• The constant function, f(x) = c• The linear function, f(x) = x• The absolute value function, f(x) = |x|• The square root function, f(x) = √x• The quadratic function, f(x) = x2

• The cubic function, , f(x) = x3

• The reciprocal function, f(x) = 1/x• The greatest integer function, f(x) = [|x|]

Page 4: 1.6 part I Parent Functions

PARENT FUNCTIONS

Page 5: 1.6 part I Parent Functions

Write a linear function given f(2) = 4 and f(5) =−1.

m = −1 − 4 5 − 2

m = − 5 3

First find the slope and then use point-slope form.

y – y1 = m(x – x1)

Page 6: 1.6 part I Parent Functions

y – y1 = m(x – x1) 4 2

Page 7: 1.6 part I Parent Functions

GRAPH

GIVEN: f(2) = 4 AND f(5) =−1

Page 8: 1.6 part I Parent Functions

HOW DID THE GRAPHS SHIFT?

Page 9: 1.6 part I Parent Functions

HOW DID THE GRAPHS SHIFT?

Page 10: 1.6 part I Parent Functions

Write an equation for each shift

1. Parent function:|x| left 4, down 7 f(x) = |x+4|-7

2. Parent function: right 1, up 5

3. Parent function: refects across x-axis, right 2


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