What is a function in mathematics?
Evaluating Functions

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Mathematics
•
9th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
A function is a relation that assigns exactly one output for each input from a given set, typically represented as f(x).
2.
FLASHCARD QUESTION
Front
How do you evaluate a function at a specific value?
Back
To evaluate a function at a specific value, substitute the value into the function's equation and simplify.
3.
FLASHCARD QUESTION
Front
What does it mean to find the value of x for which f(x) = k?
Back
It means to solve the equation f(x) = k for x, where k is a constant.
4.
FLASHCARD QUESTION
Front
What is the significance of the slope in a linear function?
Back
The slope indicates the rate of change of the function; it represents how much y changes for a unit change in x.
5.
FLASHCARD QUESTION
Front
How do you find the x-intercept of a function?
Back
To find the x-intercept, set f(x) = 0 and solve for x.
6.
FLASHCARD QUESTION
Front
What is the difference between a linear function and a quadratic function?
Back
A linear function has the form f(x) = mx + b, while a quadratic function has the form f(x) = ax^2 + bx + c.
7.
FLASHCARD QUESTION
Front
How do you evaluate a quadratic function at a specific point?
Back
Substitute the specific point into the quadratic equation and simplify to find the output.
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