Solving Functions (Function Notation)
Flashcard
•
Mathematics
•
8th Grade
•
Practice Problem
•
Hard
+4
Standards-aligned
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is function notation?
Back
Function notation is a way to represent a function using symbols. It typically uses the letter 'f' followed by the variable in parentheses, such as f(x), to denote the output of the function for a given input x.
Tags
CCSS.8.F.A.1
CCSS.HSF.IF.A.1
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 in place of the variable. For example, if f(x) = 2x + 3 and you want to find f(4), you would calculate 2(4) + 3 = 11.
Tags
CCSS.HSF.IF.A.2
3.
FLASHCARD QUESTION
Front
What does it mean to solve for x in a function?
Back
Solving for x in a function means finding the value of x that makes the function equal to a specific output. This often involves rearranging the equation to isolate x.
Tags
CCSS.HSF.IF.A.2
4.
FLASHCARD QUESTION
Front
If f(x) = 3x + 1, what is f(2)?
Back
f(2) = 3(2) + 1 = 7.
Tags
CCSS.HSF.IF.A.2
5.
FLASHCARD QUESTION
Front
What is the inverse of a function?
Back
The inverse of a function f(x) is a function that reverses the effect of f. If f(x) takes an input x and produces an output y, then the inverse function f^(-1)(y) takes y back to x.
Tags
CCSS.HSF-BF.B.4A
6.
FLASHCARD QUESTION
Front
How do you find the value of x when f(x) = k?
Back
To find the value of x when f(x) = k, set the function equal to k and solve for x. For example, if f(x) = 2x + 3 and k = 7, set 2x + 3 = 7 and solve for x.
Tags
CCSS.HSF.IF.A.2
7.
FLASHCARD QUESTION
Front
What is a linear function?
Back
A linear function is a function that can be graphically represented as a straight line. It has the form f(x) = mx + b, where m is the slope and b is the y-intercept.
Tags
CCSS.8.F.B.4
CCSS.HSF.LE.A.2
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