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liq [111]
3 years ago
6

Example of A function whose domain is [2, infinity]

Mathematics
2 answers:
FrozenT [24]3 years ago
6 0
\\f(x)=\sqrt{x-2}
\\
\\g(x)=(x-1)^2+2

Ivenika [448]3 years ago
6 0

Answer:

y=\sqrt{x-2}

Step-by-step explanation:

y=\sqrt{x-2}

Let us see how.

Our function contains a square root. And we know that we can not find the square root of any negative number as a square always gives you a positive number . Hence reverse can not be possible. Thus

we have (x-2) under square root. thus this number must be greater than or equal to 0

(x-2)≥0

subtracting 2 from both sides we get

x≥2

Hence our function gives result only for values which are greater than or equal to 2. Or the domain of function is [2,∞]

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