What is a function rule?
function rule

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Mathematics
•
8th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
A function rule is a mathematical expression that describes the relationship between input (x) and output (y) values in a function.
2.
FLASHCARD QUESTION
Front
What does the equation y = mx + b represent?
Back
This is the slope-intercept form of a linear equation, where m is the slope and b is the y-intercept.
3.
FLASHCARD QUESTION
Front
If a function rule is y = 285 - 60x, what does 285 represent?
Back
285 represents the initial quantity or starting value before any changes occur.
4.
FLASHCARD QUESTION
Front
In the equation c = 12p + 3, what does 'p' represent?
Back
'p' represents the number of pizzas ordered.
5.
FLASHCARD QUESTION
Front
What does the term 'slope' refer to in a function?
Back
The slope indicates the rate of change of the function, showing how much y changes for a unit change in x.
6.
FLASHCARD QUESTION
Front
How do you interpret the function rule y = 84 - 3x?
Back
This means that the water tank starts with 84 gallons and loses 3 gallons for every hour that passes.
7.
FLASHCARD QUESTION
Front
What is the significance of the y-intercept in a function?
Back
The y-intercept is the value of y when x is 0, indicating where the graph of the function crosses the y-axis.
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