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What is the domain of the function y equals the square root of x plus 4

Sagot :

Answer:

The domain is the set of numbers that the x value can be.

In an equation like  the domain is all real numbers because x can be any number.

In the case of , any x value that is less than or equal to -4 will not work because you would be taking the square root of a negative number, which doesn't work unless you're graphing on a complex plane, which I assume you aren't.

Thus, the domain is

I hope that helps!

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