What is a function?
Unit 6 Hw#3: Evaluating Functions

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Mathematics
•
9th - 12th 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 f(x) represent in a function?
Back
f(x) represents the output of the function f for a given input x.
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 value of the input into the function's equation and simplify.
4.
FLASHCARD QUESTION
Front
What is the value of f(6) for the function f(x)=3x-8?
Back
f(6) = 3(6) - 8 = 18 - 8 = 10.
5.
FLASHCARD QUESTION
Front
Evaluate f(2) when f(x)=x²+x-12.
Back
f(2) = 2² + 2 - 12 = 4 + 2 - 12 = -6.
6.
FLASHCARD QUESTION
Front
Given f(x)= 2x² + 5x - 17, find f(-1).
Back
f(-1) = 2(-1)² + 5(-1) - 17 = 2(1) - 5 - 17 = 2 - 5 - 17 = -20.
7.
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.
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