Finding Domain of Rational Functions
Authored by Anthony Clark
Mathematics
11th Grade
CCSS covered
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11 questions
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1.
MULTIPLE SELECT QUESTION
1 min • 1 pt
What is the domain of the rational function?
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Find the domain of the rational function f(x) = x / (x2-25)
(- infinity, -5) U (5, infinity)
(-infinity, -5) U (-5, 5) U (5, infinity)
(- infinity, 5) U (5, infinity)
(- infinity, 25) U (25, infinity)
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the domain?
(-∞, ∞)
(-∞, 0) U (0, ∞)
(-∞, -3) U (3, ∞)
(-∞, -3) U (-3, 3) U (3, ∞)
Tags
CCSS.8.F.A.1
CCSS.HSF.IF.B.5
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the domain?
(-∞, ∞)
(-∞, 1) U (1, ∞)
(-∞, -2) U (-2, 2) U (2, ∞)
(-2, 2)
Tags
CCSS.8.F.A.1
CCSS.HSF.IF.B.5
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the domain of the following function: f(x)=3/(x+2)
(-∞,-2)U(2,∞)
(-∞,-2)U(-2,∞)
(-∞,2)U(2,∞)
(-∞,∞)
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the domain of the following function:
f(x)=(x-3)/(x2+4)
(-∞,-2)U(-2,2)
U(2,∞)
(-∞,-2)U(2,∞)
(-∞,3)U(3,∞)
(-∞,∞)
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Find the domain of the function.
x
__________
x2-4x-12
(-∞,-2) u (-2,6) u (6, ∞)
(-2,6)
(-∞,2) u (2,6) u (6, ∞)
(-∞,2) u (6 ,∞)
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