What is a function?
Define, Evaluate, and Compare Functions

Flashcard
•
Mathematics
•
8th - 9th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
A function is a relation between a set of inputs and a set of possible outputs where each input is related to exactly one output.
2.
FLASHCARD QUESTION
Front
What does it mean to evaluate a function?
Back
To evaluate a function means to calculate the output of the function for a given input value.
3.
FLASHCARD QUESTION
Front
Evaluate f(x) = x² for f(-8)
Back
64
4.
FLASHCARD QUESTION
Front
What is f(2) if f(x) = 4x?
Back
8
5.
FLASHCARD QUESTION
Front
Evaluate f(x) = -2t² + 1 for f(2)
Back
-7
6.
FLASHCARD QUESTION
Front
Evaluate f(x) = x + 3 for f(-5)
Back
-2
7.
FLASHCARD QUESTION
Front
Evaluate f(x) = 2x + 6 for f(5)
Back
16
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