
Composite Functions and Their Domains

Interactive Video
•
Mathematics
•
9th - 12th Grade
•
Hard

Thomas White
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the two methods to find composite functions from piecewise defined functions?
Algebraic and Numerical
Numerical and Graphical
Graphical and Algebraic
Graphical and Statistical
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the first example, what is the function f(x) defined as when x is between -1 and 1?
2 - x
x - 2
-x
x + 2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the function g(x) defined as when x is between -2 and -1?
x + 3
1 - x
2 - x
x - 3
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Using the graphical method, what is the first step in finding f(g(x))?
Draw the graph of f(x)
Find the domain
Solve algebraically
Draw the graph of g(x)
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the algebraic method, what is f(g(x)) when g(x) is x + 3 and lies between -1 and 1?
-x - 1
x + 3
x - 1
x + 1
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the domain of f(f(x)) in the second example?
[-2, 2]
[-4, 4]
[-4, √6]
[0, 4]
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the second example, what is the function f(x) when x is between 0 and 4?
2 - x^2
2 + x^2
x + 2
x - 2
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