Inverse Functions

Flashcard
•
Mathematics
•
9th - 12th Grade
•
Hard
Standards-aligned
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12 questions
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1.
FLASHCARD QUESTION
Front
Which of the following is NOT TRUE about inverse functions?
- Inverse functions are reflections of each other over the line y = x.
- You find the inverse by switching x and y in the equation.
- The domain of a function always becomes the domain of its inverse.
- The domain of a function always becomes the range of its inverse.
Back
The domain of a function always becomes the domain of its inverse.
Tags
CCSS.HSF-BF.B.4C
2.
FLASHCARD QUESTION
Front
What's the best description? Options:
They are both functions, but not inverse functions.
,They are reflected over y=x, but they are not both functions.
,They are not reflected over y=x, and they are not both functions.
,They are inverse functions.
Back
They are reflected over y=x, but they are not both functions.
Tags
CCSS.HSF-BF.B.4B
3.
FLASHCARD QUESTION
Front
Which is f -1(x)? Options:
f -1(x) = 5x + 3
,f -1(x) = 5x - 3
,f -1(x) = 5x - 15
,f -1(x) = 1/5(x) + 3/5
Back
f -1(x) = 5x - 3
Tags
CCSS.HSF-BF.B.4A
4.
FLASHCARD QUESTION
Front
Are these functions inverses?
Back
Yes
Tags
CCSS.HSF-BF.B.4B
5.
FLASHCARD QUESTION
Front
If f-1(-25) = 7 then what is f(7)? Options: 25, 7, No enough information, -25
Back
-25
Tags
CCSS.HSF-BF.B.4C
6.
FLASHCARD QUESTION
Front
Are these inverse functions?
Back
no
Tags
CCSS.HSF-BF.B.4B
7.
FLASHCARD QUESTION
Front
If f(x) = 3x-9, what is f -1(12)?
Back
7
Tags
CCSS.HSF-BF.B.4A
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