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vichka [17]
3 years ago
9

Which statement is true about the function f(x) =√-x

Mathematics
2 answers:
GaryK [48]3 years ago
6 0

The answer is choice A.

It's what is in the square root that will dictate what the domain is.

Choice A has the same radicand as the given function.

Licemer1 [7]3 years ago
5 0

Answer:

Correct choice is A

Step-by-step explanation:

Consider parent function y=\sqrt{x}. The domain of this function is x\in [0,\infty) and the range of this function is y\in [0,\infty).

Thus, the function f(x)=\sqrt{-x} has the domain x\in (-\infty,0] and the range y\in [0,\infty).

State the domain and the range of all given functions:

A. The domain: x\in (-\infty,0]

B. The range: y\in (-\infty,0]

C. The domain: x\in [0,\infty)

D. The range:  y\in (-\infty,0]


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