Domain 3: Functions
Flashcard
•
Mathematics
•
9th Grade
•
Hard
+5
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 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.
3.
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.
4.
FLASHCARD QUESTION
Front
How do you find the average rate of change of a function between two points?
Back
The average rate of change of a function between two points (x1, y1) and (x2, y2) is calculated as \( \frac{y_2 - y_1}{x_2 - x_1} \).
Tags
CCSS.8.F.B.4
CCSS.HSF.IF.B.6
5.
FLASHCARD QUESTION
Front
What is a quadratic function?
Back
A quadratic function is a polynomial function of degree 2, typically in the form \( f(x) = ax^2 + bx + c \), where a, b, and c are constants.
6.
FLASHCARD QUESTION
Front
What does the vertex of a parabola represent in a quadratic function?
Back
The vertex of a parabola represents the maximum or minimum point of the quadratic function, depending on the direction of the parabola.
7.
FLASHCARD QUESTION
Front
What is the significance of the y-intercept in a function?
Back
The y-intercept is the point where the graph of the function crosses the y-axis, representing the output value when the input is zero.
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