Welcome to CCGPS AlgebraMrs. Fleming

1/22/2014

Lesson 1.06: Function

Notation

Lesson 1.07: Functions

1.07 SI 2s

Do you have your

math notebook,

calculator, and

something to write

with?

“With flexibility comes responsibility.”

* Class Rules *- Be Active- Be Polite

- Be Courteous- Be Respectful

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This week a lot is happening! Stay on top of things!

Does your SI look like this?

Or this?

CCGPS StandardsGA.MCC9-12.F.IF.5

Relate the domain of a function to its graph and, where applicable, to the quantitative relationship it describes, For example, if the function h(n) gives the number of person-hours it takes to assemble n engines in a factory, then the positive integers would be an appropriate domain for the function.

Review1. Write the equation to this

line in function notation.

2. What is the domain of this function? How could we

write this?

Interval Notation

In “Interval Notation” you just write the beginning and ending numbers of the interval, and use:

[ ] a square bracket if you want to include the value, or

( ) a round bracket if you do NOT want to include the value

Old way:

0<x≤20

New way:

Domain and Interval Notation

Rewrite these domains in interval notation:

1.-2<x<4 2. -∞< x≤ 6

Domain and Interval Notation.Now let’s look at a graph. What is the domain? Write the domain in interval notation.

Does it extend forever and ever in both directions? What will my two end numbers be?

We ♥ MATH! So what is the DOMAIN on the

function in the interval between the 2 ♥’s.

Lets look at one in context…

Study Island 2s

What do you think this graph would look like? Think about what “t” represents.

Study Island 2s

Can you eat negative

hamburgers?

Think about what the domain or

input, or x-values represent. What

type of constraint must we have?

Let’s look at some exponential functions!

What does this graph look like? Let’s look at

this cool website!

https://www.desmos.com/calculator

Use the graphing website to help you visualize the graph!

What do I do now?Function Notation LMS lesson

Functions LMS lesson

Click on ALL 5 of these tabs TODAY!

Even if you don’t get through all of them today, at least prepare yourself for what you need to complete! Be

Responsible!

Come to the Help Session today at 2 if you have any questions!