Identifying and Evaluating Functions

Flashcard
•
Mathematics
•
9th - 12th Grade
•
Hard
+6
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
How can you determine if a relation is a function?
Back
A relation is a function if every input (x-value) has exactly one output (y-value). This can be checked using the vertical line test on a graph.
3.
FLASHCARD QUESTION
Front
What is the vertical line test?
Back
The vertical line test is a method to determine if a curve is a function. If a vertical line intersects the curve at more than one point, then the curve is not a function.
4.
FLASHCARD QUESTION
Front
Evaluate f(x) = 4x + 5 at x = 4.
Back
f(4) = 4(4) + 5 = 16 + 5 = 21.
Tags
CCSS.HSF.IF.A.2
5.
FLASHCARD QUESTION
Front
Evaluate g(x) = 5 - 6x at x = -5.
Back
g(-5) = 5 - 6(-5) = 5 + 30 = 35.
Tags
CCSS.HSF.IF.A.2
6.
FLASHCARD QUESTION
Front
What is the domain of a function?
Back
The domain of a function is the set of all possible input values (x-values) for which the function is defined.
7.
FLASHCARD QUESTION
Front
What is the range of a function?
Back
The range of a function is the set of all possible output values (y-values) that the function can produce.
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