Domain & Range, Evaluating Functions
Flashcard
•
Mathematics
•
9th Grade
•
Practice Problem
•
Hard
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1.
FLASHCARD QUESTION
Front
What is the definition of Domain in a function?
Back
The domain of a function is the set of all possible input values (x-values) for which the function is defined.
2.
FLASHCARD QUESTION
Front
What is the definition of Range in a function?
Back
The range of a function is the set of all possible output values (y-values) that the function can produce.
3.
FLASHCARD QUESTION
Front
Evaluate f(x) = -4x - 10 for f(-5).
Back
f(-5) = -4(-5) - 10 = 20 - 10 = 10.
4.
FLASHCARD QUESTION
Front
Evaluate f(x) = -2x + 13 for f(10).
Back
f(10) = -2(10) + 13 = -20 + 13 = -7.
5.
FLASHCARD QUESTION
Front
If C = 2h + 15, what is the maximum value of h if Frank has $33?
Back
C = 33; 33 = 2h + 15; 2h = 18; h = 9.
6.
FLASHCARD QUESTION
Front
What is the domain of the function C = 2h + 15 if Frank has $33?
Back
0 < h < 9.
7.
FLASHCARD QUESTION
Front
What is the range of the function f(x) = -2x + 13?
Back
The range is all real numbers less than or equal to 13.
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