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nasty-shy [4]
3 years ago
14

What is the domain of the function

Mathematics
2 answers:
Delvig [45]3 years ago
6 0
5. D (the number under the square root symbol must be greater than or equal to 0. 


MrMuchimi3 years ago
5 0

Answer:

The domain of the function is x>=-7

Step-by-step explanation:

The domain is all the values that x can take so the function is defined, that means we can find a value of y

The sqrt is defined only for positive values and zero. So the expression in the sqrt must  satisfy that

6x + 42 >=0

We only have to find x

6x >=-42

x>=-42/6

x>=-7

So the answer is D x>=-7

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