PRE-CAL REVIEW UNIT 1 FLASHCARD 1 LESSONS 1-3

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Mathematics
•
9th - 12th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
What is the domain of an exponential function graphed on a grid?
Back
The domain is the set of all possible input values (x-values) for the function. For example, if part of the graph is shown for x ≥ -2, then the domain is x ≥ -2.
2.
FLASHCARD QUESTION
Front
How can you determine if a graph represents a function?
Back
A graph represents a function if every x-value has exactly one corresponding y-value. This can be checked using the vertical line test.
3.
FLASHCARD QUESTION
Front
How do you write a linear equation in function notation?
Back
A linear equation like y = 2x - 3 can be written in function notation as f(x) = 2x - 3.
4.
FLASHCARD QUESTION
Front
What does it mean to solve f(x) = 0 using a graph?
Back
Solving f(x) = 0 means finding the x-values where the graph intersects the x-axis. These points are the roots or zeros of the function.
5.
FLASHCARD QUESTION
Front
What does it mean for a graph to be concave down?
Back
A graph is concave down when it curves downward, indicating that the slope of the tangent line is decreasing.
6.
FLASHCARD QUESTION
Front
What is the range of a function?
Back
The range is the set of all possible output values (y-values) that a function can produce.
7.
FLASHCARD QUESTION
Front
What is the difference between a function and a relation?
Back
A function is a specific type of relation where each input (x-value) is associated with exactly one output (y-value).
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