Question

Find the domain and range of f(x) = √9 − √x .​

Answer 1

Answer:

Domain and range

f(x)=

9−x

2

y=

9−x

2

9−x

2

≥0

9−x

2

≥0

x

2

≤9

x≤

−

+

3

x∈[−3,3]

y

2

=9−x

2

x

2

=9−y

2

x=

9−y

2

9−y

2

≥0

y

2

≤9y∈3,−3

y=+ve

∵y∈[0,3]

Step-by-step explanation:

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