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shusha [124]
4 years ago
5

Which of the following is true about the function below?

Mathematics
1 answer:
STALIN [3.7K]4 years ago
3 0

For this case we have the following function:

f (x) = \frac {1} {\sqrt {x + 4}}

By definition, the domain of a function is given by all the values for which the function is defined. The given function is defined when the denominator is non-zero and when the argument of the root is greater than or equal to zero. So:

x + 4 = 0\\x = -4

The function is not defined in -4.

x + 4 \geq0\\x \geq-4

Thus, the domain of the function is given by all the strict major numbers to -4.

The range is the set of values that correspond to the domain.

The range is given by all y> 0.

Answer:

OPTION D

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