Function Notation

Flashcard
•
Mathematics
•
8th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is function notation?
Back
Function notation is a way to represent a function using symbols, typically written as f(x), where 'f' is the name of the function and 'x' is the input variable.
2.
FLASHCARD QUESTION
Front
How do you evaluate a function at a specific value?
Back
To evaluate a function at a specific value, substitute the value into the function's equation in place of the variable.
3.
FLASHCARD QUESTION
Front
If f(x) = x - 5, find f(-2).
Back
f(-2) = -2 - 5 = -7.
4.
FLASHCARD QUESTION
Front
If f(x) = x + 7, find f(4).
Back
f(4) = 4 + 7 = 11.
5.
FLASHCARD QUESTION
Front
What does it mean to solve for x in a function?
Back
Solving for x in a function means finding the value of x that makes the function equal to a specified value.
6.
FLASHCARD QUESTION
Front
Let w(x) = 3x - 7. If w(x) = 14, find x.
Back
3x - 7 = 14; 3x = 21; x = 7.
7.
FLASHCARD QUESTION
Front
Given f(x) = 4x - 10 and f(x) = 10, find x.
Back
4x - 10 = 10; 4x = 20; x = 5.
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