Evaluating Functions

Flashcard
•
Mathematics
•
8th - 12th Grade
•
Hard
+2
Standards-aligned
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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.
Tags
CCSS.8.F.A.1
2.
FLASHCARD QUESTION
Front
Evaluate f(2) if f(x) = 2x + 3.
Back
f(2) = 2(2) + 3 = 4 + 3 = 7.
Tags
CCSS.HSF.IF.A.2
3.
FLASHCARD QUESTION
Front
What does it mean to evaluate a function?
Back
To evaluate a function means to find the output value for a given input by substituting the input into the function's equation.
Tags
CCSS.HSF.IF.A.2
4.
FLASHCARD QUESTION
Front
Evaluate f(-1) if f(x) = x^2 - 4.
Back
f(-1) = (-1)^2 - 4 = 1 - 4 = -3.
Tags
CCSS.HSF.IF.A.2
5.
FLASHCARD QUESTION
Front
What is the vertical line test?
Back
The vertical line test is a method to determine if a curve is a function. If a vertical line intersects the curve at more than one point, it is not a function.
6.
FLASHCARD QUESTION
Front
Evaluate f(0) if f(x) = 3x - 5.
Back
f(0) = 3(0) - 5 = 0 - 5 = -5.
Tags
CCSS.HSF.IF.A.2
7.
FLASHCARD QUESTION
Front
What is the domain of a function?
Back
The domain of a function is the set of all possible input values (x-values) for which the function is defined.
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