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dalvyx [7]
3 years ago
10

What are the domain and range of f(x)= log x-5?

Mathematics
2 answers:
Nookie1986 [14]3 years ago
8 0
The answer is A
Domain: (0, infinity)
Range: ( - infinity, infinity)
Valentin [98]3 years ago
4 0

<u>The domain</u> of the <u>function</u> are all possible values for <u>variable</u> x and <u>the range</u> are all possible values for variable y.

The parrent function y=\log x has

  • the domain x>0;
  • the range (-\infty,\infty).

The function f(x)=\log x-5 can be formed by translation the parrent function 5 units down.

The domain of the function  f(x) is the same as the domain of the parrent function.

Since the range of the parrent function is all real numbers, then the range of the function  f(x) are all real numbers too.

Answer: correct choice is A.

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