Identifying functions

Flashcard
•
Mathematics
•
8th Grade
•
Hard
Belinda Guevara
FREE Resource
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12 questions
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1.
FLASHCARD QUESTION
Front
The following is not a function because...
- There are two values that equal 2.
- x = 10 and x = 40 has two values each.
- In the f(x) column, the 5 repeats.
- This table is actually a function.
Back
x = 10 and x = 40 has two values each.
2.
FLASHCARD QUESTION
Front
Which set of ordered pairs is a function? Options: {(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)}
Back
{(6,-5), (7, -3), (8, -1), (9, 1)}
3.
FLASHCARD QUESTION
Front
Does this mapping diagram represent a function?
Back
Yes, because each input goes to one and only one output
4.
FLASHCARD QUESTION
Front
Is this graph a function or not a function? Options: Function, Not a Function
Back
Function
5.
FLASHCARD QUESTION
Front
How do you use the vertical line test?
Back
Draw vertical lines through your graph. If any of the vertical lines you draw intersects the graph more than once then the graph is not the graph of a function.
6.
FLASHCARD QUESTION
Front
Is this mapping a function or not a function?
Back
Not a Function; the x's repeat
7.
FLASHCARD QUESTION
Front
Is this graph a function or not a function? Options: Function, Not a Function
Back
Function
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