

Discontinuities and Domains in Functions
Interactive Video
•
Mathematics
•
9th - 10th Grade
•
Hard
Thomas White
FREE Resource
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24 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a rational function?
A function that is always continuous.
A function that is always discontinuous.
A function that can be expressed as a ratio of two polynomials.
A function that has no intercepts.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is true about the domain of a rational function?
It includes all real numbers.
It excludes values that make the denominator zero.
It excludes values that make the numerator zero.
It includes only positive numbers.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What characterizes a continuous graph?
It has jumps and breaks.
It is always a straight line.
It has holes.
It can be drawn without lifting the pencil.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a discontinuous graph, what does a hole represent?
A point where the function is negative.
A point where the function is infinite.
A point where the function is zero.
A point where the function is undefined.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a removable discontinuity?
A discontinuity that is always at x = 0.
A discontinuity that cannot be removed.
A discontinuity that can be removed by redefining the function.
A discontinuity that occurs at infinity.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can a removable discontinuity be addressed?
By changing the variable.
By adding more terms to the function.
By redefining the function at that point.
By ignoring it.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a non-removable discontinuity?
A discontinuity that occurs only at x = 0.
A discontinuity that represents a break in the graph.
A discontinuity that is always removable.
A discontinuity that can be removed by redefining the function.
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