Intro to Functions {Day 1}

Intro to Functions {Day 1}

Miss Danes Algebra I Pt. I Bishop Kelley​

Open Ended

Do you have a favorite part of Holy Week? If so what is it?

(ex. washing of the feet)

Poll

How you feel about the last exam?

• Excellent

• Good

• Okay

• Meh

• Bad

​Relations

Fill in the Blank

A set of ordered pairs is called a:

Fill in the Blank

The set of all x-coordinates is called the _____ of a relation.

Fill in the Blank

The set of all y-coordinates is called the _____ of a relation.

Example: Animal Life Spans

Polar Bears 20 years

Cow 15 years

Chimpanzee 20 years

Giraffe 10 years

Gorilla 20 years

Kangaroo 7 years

Red Fox 7 years​

​Go to lecture notes

Open Ended

Your turn 1: Determine the domain and range of the following relation and state whether or not it is a function:

$$\left\{(1,3),(5,0),(0,-2),(5,4)\right\}$$  

​Go to lecture notes

Fill in the Blank

A _____ is a set of ordered pairs that assigns to each x-value exactly one y-value.

Open Ended

Your Turn 2: State whether the following relations is or is not a function:

$$\left\{(1,2),(-4,3),(0,8),(1,4)\right\}$$  

​Go to lecture notes

Multiple Choice

Your turn: a.

• Yes, function

• No, not a function

Multiple Choice

Your turn: b.

• Yes, function

• No, not a function

Multiple Choice

Your turn: c.

• Yes, function

• No, not a function

Multiple Choice

Your turn: d.

• Yes, function

• No, not a function

​Go to lecture notes

Multiple Choice

Your turn: a.

• Yes, function

• No, not a function

Multiple Choice

Your turn: b.

• Yes, function

• No, not a function

Multiple Choice

Your turn: c.

• Yes, function

• No, not a function

Multiple Choice

Your turn: d.

• Yes, function

• No, not a function

Poll

How I felt about today's lesson:

• 😃

• 🙂

• 🤷‍♀️

• 😒

• 😭