3-1 What is a function?

3-1 What is a function?

Presentation

•

Mathematics

•

9th Grade

•

Medium

•

CCSS

8.F.A.1, HSF.IF.A.2

Standards-aligned

Created by

Regina Ortiz

Used 22+ times

FREE Resource

5 Slides • 11 Questions

1

3-1 What is a function?

Slide image

2

Poll

Do you remember anything about functions and/or one person can only get off at 1 bus stop?

I remember the concept well

I kinda remember

I don't remember at all

3

4

Multiple Choice

What is the definition of function?

1

Has inputs and outputs

2

Every input has only ONE output

3

Inputs have different outputs every time

4

x-values and y-values

5

How to tell the difference between function and not a function

Graphs: Vertical line test--draw a line straight up and down. it's a function if it only touches graph 1 time
everything else: Look at X, It is a function if X DOES NOT REPEAT
Mapping diagram: X will have 2 lines

6

7

You are ready for the assignment

go to google classroom
complete 3-1
finish test and make sure you have finished the writing assignment embedded in UNIT 2 TEST in canvas module 2/11

8

Multiple Choice

Question image

.

1

Function

2

Not a Function

9

Multiple Choice

Question image

.

1

Function

2

Not a Function

10

Multiple Choice

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Does the graph represent a function?

1

Yes, because the vertical line test shows there are no repeating input values

2

No, because the vertical line test shows there are repeating input values

11

Multiple Choice

Question image

Is this set of ordered pairs a function or not a function?

1

Function

2

Not a Function

12

Multiple Choice

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Is this mapping a function or not a function?

1

Function

2

Not a Function

13

Multiple Choice

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Is this mapping a function or not a function?

1

Function

2

Not a Function

14

Multiple Choice

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Is this a function?

1

Function

2

Not a Function

15

Multiple Choice

Question image

Is this a function?

1

Function

2

Not a Function

16

Multiple Choice

Given h(x) = 5 - 9x, find h(8).

1

h(8) = -360

2

h(8) = -67

3-1 What is a function?

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