Relating Domain to Context and Graphs
Algebra · Flashcards · Application
ALGEBRA · FLASHCARDS
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QUESTION
Which interval notation matches the domain
x
<
1
x<1
x
<
1
or
x
≥
5
x\ge 5
x
≥
5
?
QUESTION
What is the domain of
f
(
x
)
=
x
+
2
x
−
4
f(x)=\frac{\sqrt{x+2}}{x-4}
f
(
x
)
=
x
−
4
x
+
2
over the real numbers?
QUESTION
What is the domain of
f
(
x
)
=
1
x
f(x)=\frac{1}{\sqrt{x}}
f
(
x
)
=
x
1
over the real numbers?
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ANSWER
x
>
0
x>0
x
>
0
. Need
x
>
0
x>0
x
>
0
for both denominator and square root.
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