
Function Inverses and Domain Restrictions

Interactive Video
•
Mathematics
•
9th - 10th Grade
•
Hard

Lucas Foster
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main reason x squared does not have an inverse function?
It fails the vertical line test.
It is not defined for all real numbers.
It is not a continuous function.
It has no turning points.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the vertical line test determine about a graph?
Whether it has an inverse.
Whether it is differentiable.
Whether it is continuous.
Whether it is a function or a relation.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does the horizontal line test relate to the vertical line test?
It is used to determine continuity.
It is the inverse of the vertical line test.
It checks if a function is one-to-one.
It determines if a function is differentiable.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it important to restrict the domain of a function?
To make it continuous.
To ensure it passes the horizontal line test.
To make it differentiable.
To simplify its graph.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What feature of a function often causes it to fail the horizontal line test?
A vertical asymptote.
A turning point.
A discontinuity.
A horizontal asymptote.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the inverse function of f(x) = x^2 when the domain is restricted to x ≥ 0?
f(x) = 1/x
f(x) = -x
f(x) = x^2
f(x) = √x
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why do we prefer to define the square root function as only positive?
To ensure it is a function.
To avoid complex numbers.
To simplify calculations.
To make it continuous.
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