Find f(9) if f(x) = 2x - 7
Function Review

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Mathematics
•
8th - 10th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
f(9) = 2(9) - 7 = 18 - 7 = 11
2.
FLASHCARD QUESTION
Front
What is the definition of a function?
Back
A function is a relation where every input has only ONE output.
3.
FLASHCARD QUESTION
Front
State if the function is linear or nonlinear. If linear, state the constant rate of change: f(x) = 3x + 2
Back
Linear, 3
4.
FLASHCARD QUESTION
Front
Which set of values is a function? (9,5) (10,5) (9,-5) (10,-5), (3,4) (4,-3) (7,4) (3, 8), (6,-5) (7, -3) (8, -1) (9, 1), (2, -2) (5, 9) (5, -7) (1, 4)
Back
(6,-5) (7, -3) (8, -1) (9, 1) is a function.
5.
FLASHCARD QUESTION
Front
Is this mapping a function or not a function? (1,2) (1,3) (2,4) (3,5)
Back
Not a Function
6.
FLASHCARD QUESTION
Front
What is the constant rate of change in the function f(x) = 5x + 1?
Back
The constant rate of change is 5.
7.
FLASHCARD QUESTION
Front
Identify if the following is a function: {(1,2), (2,3), (3,4), (1,5)}
Back
Not a Function
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