4.9 Unit 4 Test Review (Functions)

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•
Mathematics
•
8th - 9th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a function?
Back
A function is a relation that assigns exactly one output for each input. It can be represented as f(x), where x is the input.
2.
FLASHCARD QUESTION
Front
How do you evaluate a function?
Back
To evaluate a function, substitute the input value into the function's equation and simplify.
3.
FLASHCARD QUESTION
Front
What is the domain of a function?
Back
The domain of a function is the set of all possible input values (x-values) for which the function is defined.
4.
FLASHCARD QUESTION
Front
What is the range of a function?
Back
The range of a function is the set of all possible output values (f(x) values) that the function can produce.
5.
FLASHCARD QUESTION
Front
Translate to an algebraic expression: 7 less than the product of 4 and a number.
Back
The expression is 4x - 7.
6.
FLASHCARD QUESTION
Front
Translate to an algebraic expression: 7 is less than the product of 4 and a number.
Back
The expression is 7 < 4x.
7.
FLASHCARD QUESTION
Front
What does f(-11) mean in the context of a function?
Back
f(-11) represents the output of the function f when the input is -11.
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