Relations and Functions
NCERT Class 12
CBSE
Grade 12
Question:
The domain of the function $f(x) = \sqrt{x - 1} + \sqrt{6 - x}$ is:
(a) $[1, 6]$
(b) $(1, 6)$
(c) $[0, 6]$
(d) $[1, \infty)$
Step-by-Step Solution
$x \ge 1$ and $x \le 6 \Rightarrow x \in [1, 6]$. [1.0 Mark]
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🎯 Official CBSE Marking Scheme:
Evaluating domain $= [1, 6]$: 1.0 Mark
Correct Answer: $[1, 6]$
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