Evaluating Functions

Flashcard
•
Mathematics
•
8th - 9th Grade
•
Hard
+4
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a function?
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.
Tags
CCSS.8.F.A.1
2.
FLASHCARD QUESTION
Front
What does it mean to evaluate a function?
Back
To evaluate a function means to find the output value when a specific input value is substituted into the function.
Tags
CCSS.HSF.IF.A.2
3.
FLASHCARD QUESTION
Front
If f(x) = 2x + 1, what is f(3)?
Back
f(3) = 2(3) + 1 = 7.
Tags
CCSS.HSF.IF.A.2
4.
FLASHCARD QUESTION
Front
What is the output of f(x) = 3x + 1 when x = 2?
Back
f(2) = 3(2) + 1 = 7.
Tags
CCSS.HSF.IF.A.2
5.
FLASHCARD QUESTION
Front
How do you find f(x) for a given x?
Back
Substitute the value of x into the function's equation and simplify.
Tags
CCSS.HSF.IF.A.2
6.
FLASHCARD QUESTION
Front
What is the value of g(x) = 2x + 5 when x = 4?
Back
g(4) = 2(4) + 5 = 13.
Tags
CCSS.HSF.IF.A.2
7.
FLASHCARD QUESTION
Front
What is the order of operations in evaluating functions?
Back
The order of operations is Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right) - often abbreviated as PEMDAS.
Tags
CCSS.HSF.IF.A.2
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