Algebra 1 Week 6 - Function Notation

What do you notice?

What do you wonder?

(See Photo)

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CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Reorder the following.

• I can

• using

• functions

• function notation.

• evaluate

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CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Match the following.

• I can interpret statements...

• Proficient

• I can evaluate functions...

• Developing

• I can graph functions...

• Advanced

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CCSS.8.F.A.1

CCSS.HSF.IF.A.1

I can ________ _________ using function notation.

(a)  

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CCSS.HSF.IF.A.2

Focus Question

Why is it helpful to use f and g to describe some functions instead of using y?

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CCSS.HSF.IF.A.2

You learned that a ​ (a)   can be written in the form ​ (b)   . By naming a linear function ​ (c)   , you can also write the function using ​ (d)   .

• linear function
• function notation

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CCSS.8.F.B.4

CCSS.HSF.LE.A.2

​ (a)   ​ (b)  

The notation ​ (c)   . If f is a function, and x is in its domain, then ​ (d)   corresponding to the input of x. You can use letters other than f to name a function, ​ (e)   .

• Function notation
• such as g or h

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CCSS.8.F.B.4

CCSS.HSF.LE.A.2

What is the definition of function?

• Has inputs and outputs

• Every input has only ONE output

• Inputs have different outputs every time

• x-values and y-values

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CCSS.8.F.A.1

Given f(x) = x² + 3x + 1, find f(-4).

(a)  

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CCSS.HSF.IF.A.2

Given f(x) = 16 - (x + 19)², find f(-14).

(a)  

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CCSS.HSF.IF.A.2