Intro to Functions

Which set of values is a function?

• (9,5) (10,5) (9,-5) (10,-5)
• (3,4) (4,-3) (7,4) (3, 8)
• (6,-5) (7, -3) (8, -1) (9, 1)
• (2, -2) (5, 9) (5, -7) (1, 4)

Tags

CCSS.8.F.A.1

Which graph does NOT pass the vertical line test?

• Graph 1
• Graph 2
• Graph 3
• Graph 4

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

Is this graph a function or not a function? 

• Function
• Not a Function

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.B.5

Does the table represent a function?

• Yes, the x-value 2 repeats. 

• No, there aren't any repeated y-values. 
• Yes, the y-value 4 repeats. 

• No, the x-value 2 repeats. 

Tags

CCSS.8.F.A.1

f(x) is the same thing as ______.

• y
• x
• input
• an equation

Tags

CCSS.HSF.IF.A.1

If a question asks you to find f(2), what does that mean?

• Let x = 2

• Let y = 2

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CCSS.HSF.IF.A.2

If f(x) = 2x + 1, find f(1).

• f(1) = 1

• f(1) = 4

• f(1) = 0

• f(1) = 3

Tags

CCSS.HSF.IF.A.2

Write the set of ordered pairs to represent the table.

• (6,-12), (3,-6), (0,0), (3,6), (6,12)

• (-12,6), (-6,3), (0,0), (6,3), (12,6)

• (-12,3), (-6,6), (0,0), (6,6), (12,3)

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Use the rule y=2x+5 to complete the missing value in the table

• 5

• 4

• 6

• -1

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

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

• y = 2x-3

• f = 2x - 3

• f(x) = 2x-3

Tags

CCSS.HSF.IF.A.2