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if a 3 81 and f a b is a surjection defined by f x
Question:
If
$A= (3,81)$
and
$f : A \rightarrow B$
is a surjection defined by
$f[x] = \log_3 x$
then
$B = $
Updated On:
Jul 6, 2022
[1,4]
(1,4]
(1,4)
$[ 1, \infty)$
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The Correct Option is
C
Solution and Explanation
$3 < x < 81 \Rightarrow \: \log_3 3 < \log_3 x < \log_3 81$
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