Function Notation and Evaluating a Function Given the Graph

• f(-2) = -1

• f(-2) = -9

• f(-2) = 9

• f(-2) = 0

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CCSS.HSF.IF.A.2

Evaluate r(3)

• r(3) = 16

• r(3) = 12

• r(3) = 13

• r(3) = 0

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CCSS.HSF.IF.A.2

How would you write y = 2x - 3 in function notation?

• y = 2x-3

• f = 2x - 3

• f(x) = 2x-3

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CCSS.HSF.IF.A.2

If I know that f(2) = 4, what is another way I can write my answer?

• 2,4

• (2, 4)

• That is the only way to write it.

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CCSS.HSF.IF.A.2

For questions 24 - 27, use the graph provided. 24. Find f(-1) = ​ (a)   25. Find f(4) = ​ (b)   26. Find f(-3) = ​ (c)   27. If f(x) = 9, find x. ​ (d)  

• 5

• 0

• -7

• 1

• Stop guessing/look at the graph/or ask for help :)

• You can do this!

Tags

CCSS.HSF.IF.A.2

Given the graph, match the following:

• -7

• If f(x)=9, x=___

• 0

• f(-3)=___

• 5

• f(4)=___

• 1

• f(-1)=___

Tags

CCSS.HSF.IF.A.2

h(-4)=​​ (a)  

h(0)=​​ (b)  

h(2)=​​ (c)  

h(5)=​ (d)  

• -2

• 3

• -3

• 0

• 2

• 6

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CCSS.HSF.IF.A.2

Which spot correctly uses the graph to evaluate f(-6)

Answer explanation

f(-6) means the input (x-coordinate) is -6

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CCSS.HSF.IF.A.2

What is x when f(x) = -2 ?

Mathematical Equivalence

ON

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CCSS.HSF.IF.A.2

f(-1​) = ​ ​ (a)  

• 5

• 2

• 0

• 3

• -5

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CCSS.HSF.IF.A.2