Functions

Flashcard
•
Mathematics
•
9th Grade
•
Hard
Wayground Content
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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.
2.
FLASHCARD QUESTION
Front
What is the vertical line test?
Back
The vertical line test is a method to determine if a graph represents a function. If a vertical line intersects the graph at more than one point, it is not a function.
3.
FLASHCARD QUESTION
Front
What does it mean for a relation to be not a function?
Back
A relation is not a function if at least one input is associated with more than one output.
4.
FLASHCARD QUESTION
Front
Can a function have the same output for different inputs?
Back
Yes, a function can have the same output for different inputs, as long as each input corresponds to only one output.
5.
FLASHCARD QUESTION
Front
What is a one-to-one function?
Back
A one-to-one function is a function where each output is associated with exactly one input, meaning no two different inputs produce the same output.
6.
FLASHCARD QUESTION
Front
What is a linear function?
Back
A linear function is a function that can be graphically represented as a straight line, typically in the form y = mx + b.
7.
FLASHCARD QUESTION
Front
What is a quadratic function?
Back
A quadratic function is a polynomial function of degree two, typically in the form y = ax^2 + bx + c, and its graph is a parabola.
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