What is a function?
Algebra & Functions

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•
Mathematics
•
8th - 10th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
A function is a relation where each input has exactly one output.
2.
FLASHCARD QUESTION
Front
How can you determine if a relation is a function?
Back
Check if each input (x-value) corresponds to only one output (y-value). If any input has multiple outputs, it is not a function.
3.
FLASHCARD QUESTION
Front
What is the degree of a polynomial?
Back
The degree of a polynomial is the highest power of the variable in the expression.
4.
FLASHCARD QUESTION
Front
Simplify: 2x² + 3x² + 5x
Back
5x² + 5x
5.
FLASHCARD QUESTION
Front
Simplify: 2xy - 10xy
Back
-8xy
6.
FLASHCARD QUESTION
Front
Evaluate g(5) when g(x)=2x.
Back
g(5) = 10.
7.
FLASHCARD QUESTION
Front
What is the output of a function?
Back
The output of a function is the value that results from applying the function to an input.
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