First slide

Functions (XII)

Question

$The domain of \sqrt{| x - 2 | - 1} is$

Moderate

A

$[- 1, 3] \cup [5, \infty)$
B

$[- 1, 5]$
C

$[1, 3]$
D

$[- 1, 1] \cup [3, 5]$

Solution

$|x - 2| > 1 x > 3 o r x < 1 H e n c e t h e d o m a i n o f t h e g i v e n f u n c t i o n i s (- \infty, 1) \cup (3, \infty)$

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