Function Notation
Flashcard
•
Mathematics
•
8th Grade
•
Practice Problem
•
Hard
Wayground Content
FREE Resource
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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. It typically uses the format f(x), where 'f' is the name of the function and 'x' is the input variable.
2.
FLASHCARD QUESTION
Front
If w(x) = 3x - 7, what does w(2) equal?
Back
w(2) = 3(2) - 7 = 6 - 7 = -1.
3.
FLASHCARD QUESTION
Front
How do you find the value of x when w(x) = 14 for w(x) = 3x - 7?
Back
Set 3x - 7 = 14. Solve for x: 3x = 21, so x = 7.
4.
FLASHCARD QUESTION
Front
What is the value of f(4) if f(x) = x + 7?
Back
f(4) = 4 + 7 = 11.
5.
FLASHCARD QUESTION
Front
If f(x) = 3x - 12 and f(x) = -6, how do you find x?
Back
Set 3x - 12 = -6. Solve for x: 3x = 6, so x = 2.
6.
FLASHCARD QUESTION
Front
Evaluate f(x) = x + 3 when f(x) = 12.
Back
Set x + 3 = 12. Solve for x: x = 9.
7.
FLASHCARD QUESTION
Front
What is f(-4) if f(x) = x + 8?
Back
f(-4) = -4 + 8 = 4.
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