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Byju's Answer
Standard XII
Mathematics
Definition of Functions
The domain of...
Question
The domain of the function, defined by f (x) =
2
3
x
2
+
1
is given by :
A
R
−
1
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B
R
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C
R
−
−
1
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D
R
−
0
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Solution
The correct option is
B
R
The expression
3
x
2
+
1
can never be equal to 0 and is always greater than or equal to 1.
Hence the domain is
R
Suggest Corrections
0
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