What is a function?
Evaluating functions 2

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•
Mathematics
•
9th - 10th 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 value?
Back
To evaluate a function at a specific value, substitute the value into the function's equation and simplify.
4.
FLASHCARD QUESTION
Front
What is the value of f(x) = 2x + 2 when x = 0?
Back
f(0) = 2(0) + 2 = 2.
5.
FLASHCARD QUESTION
Front
What is the value of f(t) = 4t - t^2 when t = 3?
Back
f(3) = 4(3) - (3)^2 = 12 - 9 = 3.
6.
FLASHCARD QUESTION
Front
What is the value of f(x) = 5x - 3 when x = 2?
Back
f(2) = 5(2) - 3 = 10 - 3 = 7.
7.
FLASHCARD QUESTION
Front
What is the value of f(x) = 3x^2 - 4x + 1 when x = 2?
Back
f(2) = 3(2)^2 - 4(2) + 1 = 12 - 8 + 1 = 5.
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