What is a function in mathematics?
Evaluating Functions

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•
Mathematics
•
8th - 10th 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 does it mean to evaluate a function?
Back
To evaluate a function means to calculate the output value for a given input.
3.
FLASHCARD QUESTION
Front
Evaluate y = 2x + 4 when x = 2.
Back
8
4.
FLASHCARD QUESTION
Front
Evaluate y = x^2 - 1 when x = 5.
Back
24
5.
FLASHCARD QUESTION
Front
What is the output of the function f(x) = 3x when x = -1?
Back
-3
6.
FLASHCARD QUESTION
Front
Evaluate y = 4 - 3x when x = 1.
Back
1
7.
FLASHCARD QUESTION
Front
What is the domain of a function?
Back
The domain is the set of all possible input values (x-values) for the function.
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