Mar 8 Intro to Functions.notebook - OGLESBY...

Mar 8 Intro to Functions.notebook March 09, 2018

Function Vocabulary


Concept Checks

Is this a function?


Concept Checks

What is f(2)?


Linear Functions Sep 14


578

IN

OUTl

f(x)=x+3

NextNext


x F(x)2

4

5

7

NextNext

5 8

These are three input-output pairs we found using the machine. What would you expect to get out if you put these other inputs in?

3

67

What do you notice?


5

2

7

4

8

5

IN

OUT

NextNext

f(x)=x-3


x F(x)4

62

NextNext

75


5

89

What do you notice?

4


13

7

1521

IN

OUT

NextNext

f(x)=2x+1


x F(x)5

713

NextNext

8

21


6

910

What do you notice?

15


4

-3

5

-5

6

-7

IN

OUT

NextNext

f(x)=-2x+5


x F(x)1

3

NextNext

4

-7

2

56

What do you notice?

-5-3


0

9

1

13

4

25

IN

OUT

NextNext

f(x)=4x+9


x F(x)-1

19

NextNext

2

25

0

34

What do you notice?

13

f(x) =


-8

-10

0

-8

8

-6

IN

OUT

NextNext

f(x)=1/4x-10


x F(x)-12

-4-10

NextNext

0

-6

-8

48

What do you notice?

-8

f(x) =


2

11

4

12

10

15

IN

OUT

NextNext

f(x)=1/2x+10


x F(x)0

411

NextNext

6

15

2

810

What do you notice?

12

f(x) =


For linear functions, the form f(x)=mx+b can be derived in parts.M is found to be the __________________________________________________________B is found to be _____________________________________________________________.

Mar 8 Intro to Functions.notebook - OGLESBY...

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