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Nutka1998 [239]
3 years ago
9

The domain for f(x) is all real numbers greater than or equal to ___ ?

Mathematics
2 answers:
Shkiper50 [21]3 years ago
7 0
You must set each part of the function equal to zero.

5√(x+2) = x is greater than or equal to -2

So the domain is greater than or equal to -2
g100num [7]3 years ago
7 0

Answer:

The domain of f(x) is all real numbers greater than or equal to <u>-2</u>

Step-by-step explanation:

We have been given that

f(x)=2(x)^2+5\sqrt{x+2}

Domain is the set of x values for which the function is defined.

The given function is the combination of a square and square root function.

Square function is defined for all real values. Whereas, the square root function is defined for only positive values.

Therefore, the function is defined when

x + 2\geq0

Subtract 2 to both sides

x\geq-2

Hence, the domain of f(x) is all real numbers greater than or equal to <u>-2</u>

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