Inverses and Invertible Functions
Authored by Anthony Clark
Mathematics
11th Grade
CCSS covered
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15 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
If f and g are inverse functions, and
f(2) = -1 g(1) = -2 f(1) = -2,
then which of the following MUST be true?
g(-2) = -1
g(2) = 1
g(-2) = 1
g(1) = 2
Tags
CCSS.HSF-BF.B.4C
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the best description?
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.
Tags
CCSS.HSF-BF.B.4B
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The inverse of the function f(x) is written as ...
f -1(x)
f 2(x)
f '(x)
f +(x)
Tags
CCSS.HSF-BF.B.4A
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The inverse has been reflected over which line?
y = x
x = 0
y = 0
x = -y
Tags
CCSS.HSF-BF.B.4B
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following best describes the graph?
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.
Tags
CCSS.HSF-BF.B.4B
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
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 becomes the domain of its inverse.
The domain of a function becomes the range of its inverse.
Tags
CCSS.HSF-BF.B.4C
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is f-1(x)?
f-1(x) = 4x - 3
f-1(x) = -1/4x - 3
f-1(x) = 1/4x + 3
f-1(x) = -4x - 3
Tags
CCSS.HSF-BF.B.4A
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