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12-09-2017
Mathematics

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If f(x)=2 (x)^2+5√(x+2) what is the domian

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Аноним Аноним

12-09-2017

Note that there is no real square root of a negative number so (x +2) must be greater or equal to 0.

When x + 2 = zero x = -2

So the domain is x>= -2 or in interval notation:

[-2, ∞)

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