MCQ
The range of the function $f (x)=\sqrt{9-x^2}$ is
  • A
    (0,3)
  • [0, 3]
  • C
    (0, 3]
  • D
    [0, 3)

Answer

Correct option: B.
[0, 3]
(B)
$f(r)=\sqrt{9-x^2}$
$f (0)=3, f (3)=0$
$\therefore \quad 0 \leq f (x) \leq 3$
$\therefore \quad x \in[0,3]$

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