What is a function?
Evaluating Functions and Function Notation

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•
Mathematics
•
9th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
A function is a relation that assigns exactly one output for each input from a set of inputs.
2.
FLASHCARD QUESTION
Front
What is function notation?
Back
Function notation is a way to denote functions using symbols, typically written as f(x), where f is the function name and x is the input.
3.
FLASHCARD QUESTION
Front
How do you evaluate a function at a specific point?
Back
To evaluate a function at a specific point, substitute the input value into the function's equation and simplify.
4.
FLASHCARD QUESTION
Front
What does f(-1) represent in a function?
Back
f(-1) represents the output of the function when the input is -1.
5.
FLASHCARD QUESTION
Front
If f(x) = 2x^2 + 5x - 17, what is f(-1)?
Back
f(-1) = -20.
6.
FLASHCARD QUESTION
Front
What does p(8) = 52 mean in the context of the function p(x) = 5x + 12?
Back
It means that after 8 days, Ms. Brackemyer has 52 pencils.
7.
FLASHCARD QUESTION
Front
What is the ordered pair representation of f(2) = 4?
Back
The ordered pair is (2, 4).
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