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andrezito [222]
2 years ago
7

If f(x)=x-3, which inequality can be used to find the domain of f(x)?

Mathematics
1 answer:
Scrat [10]2 years ago
3 0

Given that,

f(x) = \sqrt{x-3}

To find,

The domain of f(x).

Solution,

We have, f(x) = \sqrt{x-3}

To find domain,

The term under the square root must be positive or null as follows :

x-3\ge 0

Adding 3 both sides

x-3+3\ge 0+3\\\\x\ge 3

So, the domain is x-3>0 .

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