FST - Inverse Functions

Flashcard
•
Mathematics
•
9th - 12th Grade
•
Hard
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13 questions
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1.
FLASHCARD QUESTION
Front
The inverse of the function f(x) is written as ...
Back
f -1(x)
2.
FLASHCARD QUESTION
Front
The inverse has been reflected over which line? Options: y = x, x = 0, y = 0, x = -y
Back
y = x
3.
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.
4.
FLASHCARD QUESTION
Front
What are the missing values if g(x)=f-1(x)? Options: (9,-5), (-9,-5), (5,9), (-9,5)
Back
(9,-5)
5.
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
6.
FLASHCARD QUESTION
Front
Which is f -1(x)?
Options:
f -1(x) = 3x + 5
f -1(x) = 3x - 5
f -1(x) = 3x - 15
f -1(x) = 3x + 15
Back
f -1(x) = 3x + 15
7.
FLASHCARD QUESTION
Front
Find the inverse of f(x) = x2 - 5
Back
f-1(x) =√(x+5)
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