Piecewise Functions

Flashcard
•
Mathematics
•
12th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a piecewise function?
Back
A piecewise function is a function that is defined by different expressions or formulas for different intervals of its domain.
2.
FLASHCARD QUESTION
Front
How do you evaluate a piecewise function at a specific point?
Back
To evaluate a piecewise function at a specific point, determine which interval the point falls into and then use the corresponding expression to find the function's value.
3.
FLASHCARD QUESTION
Front
What does 'undefined' mean in the context of piecewise functions?
Back
'Undefined' means that there is no valid output for the given input, often because the input does not fall within any defined interval of the piecewise function.
4.
FLASHCARD QUESTION
Front
If a piecewise function is defined as f(x) = { x^2 for x < 0, 2x + 1 for x >= 0, what is f(-2)?
Back
f(-2) = (-2)^2 = 4.
5.
FLASHCARD QUESTION
Front
If a piecewise function is defined as f(x) = { 3x + 2 for x < 1, 5 for x = 1, 2x - 1 for x > 1, what is f(1)?
Back
f(1) = 5.
6.
FLASHCARD QUESTION
Front
What is the significance of the domain in piecewise functions?
Back
The domain of a piecewise function specifies the intervals for which each piece of the function is applicable.
7.
FLASHCARD QUESTION
Front
How can you graph a piecewise function?
Back
To graph a piecewise function, plot each piece according to its defined interval, ensuring to use open or closed circles to indicate whether endpoints are included.
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